diff --git a/native/account/registration/registration-terms.react.js b/native/account/registration/registration-terms.react.js
index bfbc24bb5..53109c92c 100644
--- a/native/account/registration/registration-terms.react.js
+++ b/native/account/registration/registration-terms.react.js
@@ -1,138 +1,159 @@
 // @flow
 
 import invariant from 'invariant';
 import * as React from 'react';
 import { Text, View, Image, Linking } from 'react-native';
 
 import type { SIWEBackupSecrets } from 'lib/types/siwe-types.js';
 
 import RegistrationButtonContainer from './registration-button-container.react.js';
 import RegistrationButton from './registration-button.react.js';
 import RegistrationContainer from './registration-container.react.js';
 import RegistrationContentContainer from './registration-content-container.react.js';
 import { RegistrationContext } from './registration-context.js';
 import type { RegistrationNavigationProp } from './registration-navigator.react.js';
 import type {
   CoolOrNerdMode,
   AccountSelection,
   AvatarData,
 } from './registration-types.js';
 import commSwooshSource from '../../img/comm-swoosh.png';
 import type { NavigationRoute } from '../../navigation/route-names.js';
 import { useStyles } from '../../themes/colors.js';
 
 export type RegistrationTermsParams = {
   +userSelections: {
     +coolOrNerdMode: CoolOrNerdMode,
     +keyserverURL: string,
     +farcasterID: ?string,
     +accountSelection: AccountSelection,
     +avatarData: ?AvatarData,
     +siweBackupSecrets?: ?SIWEBackupSecrets,
   },
 };
 
 const onTermsOfUsePressed = () => {
   void Linking.openURL('https://comm.app/terms');
 };
 
 const onPrivacyPolicyPressed = () => {
   void Linking.openURL('https://comm.app/privacy');
 };
 
 type Props = {
   +navigation: RegistrationNavigationProp<'RegistrationTerms'>,
   +route: NavigationRoute<'RegistrationTerms'>,
 };
 function RegistrationTerms(props: Props): React.Node {
   const registrationContext = React.useContext(RegistrationContext);
   invariant(registrationContext, 'registrationContext should be set');
   const { register, setCachedSelections } = registrationContext;
 
   const [registrationInProgress, setRegistrationInProgress] =
     React.useState(false);
 
   const { userSelections } = props.route.params;
 
   const clearCachedSelections = React.useCallback(() => {
     setCachedSelections({});
   }, [setCachedSelections]);
 
   const onProceed = React.useCallback(async () => {
     setRegistrationInProgress(true);
     try {
       await register({ ...userSelections, clearCachedSelections });
     } finally {
       setRegistrationInProgress(false);
     }
   }, [register, userSelections, clearCachedSelections]);
 
+  const { navigation } = props;
+  React.useEffect(() => {
+    if (!registrationInProgress) {
+      return undefined;
+    }
+    navigation.setOptions({
+      gestureEnabled: false,
+      headerLeft: null,
+    });
+    const removeListener = navigation.addListener('beforeRemove', e => {
+      e.preventDefault();
+    });
+    return () => {
+      navigation.setOptions({
+        gestureEnabled: true,
+        headerLeft: undefined,
+      });
+      removeListener();
+    };
+  }, [navigation, registrationInProgress]);
+
   const styles = useStyles(unboundStyles);
 
   const termsNotice = (
     <Text style={styles.body}>
       By registering, you are agreeing to our{' '}
       <Text style={styles.hyperlinkText} onPress={onTermsOfUsePressed}>
         Terms of Use
       </Text>
       {' and '}
       <Text style={styles.hyperlinkText} onPress={onPrivacyPolicyPressed}>
         Privacy Policy
       </Text>
       .
     </Text>
   );
 
   return (
     <RegistrationContainer>
       <RegistrationContentContainer style={styles.scrollViewContentContainer}>
         <Text style={styles.header}>Finish registration</Text>
         {termsNotice}
         <View style={styles.commSwooshContainer}>
           <Image source={commSwooshSource} style={styles.commSwoosh} />
         </View>
       </RegistrationContentContainer>
       <RegistrationButtonContainer>
         <RegistrationButton
           onPress={onProceed}
           label="Register"
           variant={registrationInProgress ? 'loading' : 'enabled'}
         />
       </RegistrationButtonContainer>
     </RegistrationContainer>
   );
 }
 
 const unboundStyles = {
   scrollViewContentContainer: {
     flexGrow: 1,
   },
   header: {
     fontSize: 24,
     color: 'panelForegroundLabel',
     paddingBottom: 16,
   },
   body: {
     fontFamily: 'Arial',
     fontSize: 15,
     lineHeight: 20,
     color: 'panelForegroundSecondaryLabel',
     paddingBottom: 16,
   },
   commSwooshContainer: {
     flexGrow: 1,
     flexShrink: 1,
     alignItems: 'center',
     justifyContent: 'center',
   },
   commSwoosh: {
     resizeMode: 'center',
     width: '100%',
     height: '100%',
   },
   hyperlinkText: {
     color: 'purpleLink',
   },
 };
 
 export default RegistrationTerms;
diff --git a/native/flow-typed/npm/@react-navigation/core_v6.x.x.js b/native/flow-typed/npm/@react-navigation/core_v6.x.x.js
index 858289723..05df0b44f 100644
--- a/native/flow-typed/npm/@react-navigation/core_v6.x.x.js
+++ b/native/flow-typed/npm/@react-navigation/core_v6.x.x.js
@@ -1,2353 +1,2353 @@
 // flow-typed signature: 080655bdcaa9b716925932d980dfc4fb
 // flow-typed version: 9a968c602c/@react-navigation/core_v5.x.x/flow_>=v0.201.x
 
 declare module '@react-navigation/core' {
 
   //---------------------------------------------------------------------------
   // SECTION 1: IDENTICAL TYPE DEFINITIONS
   //---------------------------------------------------------------------------
 
   /**
    * We start with some definitions that we have copy-pasted from React Native
    * source files.
    */
 
   // This is a bastardization of the true StyleObj type located in
   // react-native/Libraries/StyleSheet/StyleSheetTypes. We unfortunately can't
   // import that here, and it's too lengthy (and consequently too brittle) to
   // copy-paste here either.
   declare type StyleObj =
     | null
     | void
     | number
     | false
     | ''
     | $ReadOnlyArray<StyleObj>
     | { [name: string]: any, ... };
   declare export type ViewStyleProp = StyleObj;
   declare export type TextStyleProp = StyleObj;
   declare export type AnimatedViewStyleProp = StyleObj;
   declare type AnimatedTextStyleProp = StyleObj;
 
   // Vaguely copied from
   // react-native/Libraries/Animated/src/animations/Animation.js
   declare type EndResult = { finished: boolean, ... };
   declare type EndCallback = (result: EndResult) => void;
   declare interface Animation {
     start(
       fromValue: number,
       onUpdate: (value: number) => void,
       onEnd: ?EndCallback,
       previousAnimation: ?Animation,
       animatedValue: AnimatedValue,
     ): void;
     stop(): void;
   }
   declare type AnimationConfig = {
     isInteraction?: boolean,
     useNativeDriver: boolean,
     onComplete?: ?EndCallback,
     iterations?: number,
     ...
   };
 
   // Vaguely copied from
   // react-native/Libraries/Animated/src/nodes/AnimatedTracking.js
   declare interface AnimatedTracking {
     constructor(
       value: AnimatedValue,
       parent: any,
       animationClass: any,
       animationConfig: Object,
       callback?: ?EndCallback,
     ): void;
     update(): void;
   }
 
   // Vaguely copied from
   // react-native/Libraries/Animated/src/nodes/AnimatedValue.js
   declare type ValueListenerCallback = (state: { value: number, ... }) => void;
   declare interface AnimatedValue {
     constructor(value: number): void;
     setValue(value: number): void;
     setOffset(offset: number): void;
     flattenOffset(): void;
     extractOffset(): void;
     addListener(callback: ValueListenerCallback): string;
     removeListener(id: string): void;
     removeAllListeners(): void;
     stopAnimation(callback?: ?(value: number) => void): void;
     resetAnimation(callback?: ?(value: number) => void): void;
     interpolate(config: InterpolationConfigType): AnimatedInterpolation;
     animate(animation: Animation, callback: ?EndCallback): void;
     stopTracking(): void;
     track(tracking: AnimatedTracking): void;
   }
 
   // Copied from
   // react-native/Libraries/Animated/src/animations/TimingAnimation.js
   declare type TimingAnimationConfigSingle = AnimationConfig & {
     toValue: number | AnimatedValue,
     easing?: (value: number) => number,
     duration?: number,
     delay?: number,
     ...
   };
 
   // Copied from
   // react-native/Libraries/Animated/src/animations/SpringAnimation.js
   declare type SpringAnimationConfigSingle = AnimationConfig & {
     toValue: number | AnimatedValue,
     overshootClamping?: boolean,
     restDisplacementThreshold?: number,
     restSpeedThreshold?: number,
     velocity?: number,
     bounciness?: number,
     speed?: number,
     tension?: number,
     friction?: number,
     stiffness?: number,
     damping?: number,
     mass?: number,
     delay?: number,
     ...
   };
 
   // Copied from react-native/Libraries/Types/CoreEventTypes.js
   declare type SyntheticEvent<T> = $ReadOnly<{|
     bubbles: ?boolean,
     cancelable: ?boolean,
     currentTarget: number,
     defaultPrevented: ?boolean,
     dispatchConfig: $ReadOnly<{|
       registrationName: string,
     |}>,
     eventPhase: ?number,
     preventDefault: () => void,
     isDefaultPrevented: () => boolean,
     stopPropagation: () => void,
     isPropagationStopped: () => boolean,
     isTrusted: ?boolean,
     nativeEvent: T,
     persist: () => void,
     target: ?number,
     timeStamp: number,
     type: ?string,
   |}>;
   declare type Layout = $ReadOnly<{|
     x: number,
     y: number,
     width: number,
     height: number,
   |}>;
   declare type LayoutEvent = SyntheticEvent<
     $ReadOnly<{|
       layout: Layout,
     |}>,
   >;
   declare type BlurEvent = SyntheticEvent<
     $ReadOnly<{|
       target: number,
     |}>,
   >;
   declare type FocusEvent = SyntheticEvent<
     $ReadOnly<{|
       target: number,
     |}>,
   >;
   declare type ResponderSyntheticEvent<T> = $ReadOnly<{|
     ...SyntheticEvent<T>,
     touchHistory: $ReadOnly<{|
       indexOfSingleActiveTouch: number,
       mostRecentTimeStamp: number,
       numberActiveTouches: number,
       touchBank: $ReadOnlyArray<
         $ReadOnly<{|
           touchActive: boolean,
           startPageX: number,
           startPageY: number,
           startTimeStamp: number,
           currentPageX: number,
           currentPageY: number,
           currentTimeStamp: number,
           previousPageX: number,
           previousPageY: number,
           previousTimeStamp: number,
         |}>,
       >,
     |}>,
   |}>;
   declare export type PressEvent = ResponderSyntheticEvent<
     $ReadOnly<{|
       changedTouches: $ReadOnlyArray<$PropertyType<PressEvent, 'nativeEvent'>>,
       force: number,
       identifier: number,
       locationX: number,
       locationY: number,
       pageX: number,
       pageY: number,
       target: ?number,
       timestamp: number,
       touches: $ReadOnlyArray<$PropertyType<PressEvent, 'nativeEvent'>>,
     |}>,
   >;
 
   // Vaguely copied from
   // react-native/Libraries/Animated/src/nodes/AnimatedInterpolation.js
   declare type ExtrapolateType = 'extend' | 'identity' | 'clamp';
   declare type InterpolationConfigType = {
     inputRange: Array<number>,
     outputRange: Array<number> | Array<string>,
     easing?: (input: number) => number,
     extrapolate?: ExtrapolateType,
     extrapolateLeft?: ExtrapolateType,
     extrapolateRight?: ExtrapolateType,
     ...
   };
   declare interface AnimatedInterpolation {
     interpolate(config: InterpolationConfigType): AnimatedInterpolation;
   }
 
   // Copied from react-native/Libraries/Components/View/ViewAccessibility.js
   declare type AccessibilityRole =
     | 'none'
     | 'button'
     | 'link'
     | 'search'
     | 'image'
     | 'keyboardkey'
     | 'text'
     | 'adjustable'
     | 'imagebutton'
     | 'header'
     | 'summary'
     | 'alert'
     | 'checkbox'
     | 'combobox'
     | 'menu'
     | 'menubar'
     | 'menuitem'
     | 'progressbar'
     | 'radio'
     | 'radiogroup'
     | 'scrollbar'
     | 'spinbutton'
     | 'switch'
     | 'tab'
     | 'tablist'
     | 'timer'
     | 'toolbar';
   declare type AccessibilityActionInfo = $ReadOnly<{
     name: string,
     label?: string,
     ...
   }>;
   declare type AccessibilityActionEvent = SyntheticEvent<
     $ReadOnly<{actionName: string, ...}>,
   >;
   declare type AccessibilityState = {
     disabled?: boolean,
     selected?: boolean,
     checked?: ?boolean | 'mixed',
     busy?: boolean,
     expanded?: boolean,
     ...
   };
   declare type AccessibilityValue = $ReadOnly<{|
     min?: number,
     max?: number,
     now?: number,
     text?: string,
   |}>;
 
   // Copied from
   // react-native/Libraries/Components/Touchable/TouchableWithoutFeedback.js
   declare type Stringish = string;
   declare type EdgeInsetsProp = $ReadOnly<$Partial<EdgeInsets>>;
   declare type TouchableWithoutFeedbackProps = $ReadOnly<{|
     accessibilityActions?: ?$ReadOnlyArray<AccessibilityActionInfo>,
     accessibilityElementsHidden?: ?boolean,
     accessibilityHint?: ?Stringish,
     accessibilityIgnoresInvertColors?: ?boolean,
     accessibilityLabel?: ?Stringish,
     accessibilityLiveRegion?: ?('none' | 'polite' | 'assertive'),
     accessibilityRole?: ?AccessibilityRole,
     accessibilityState?: ?AccessibilityState,
     accessibilityValue?: ?AccessibilityValue,
     accessibilityViewIsModal?: ?boolean,
     accessible?: ?boolean,
     children?: ?React$Node,
     delayLongPress?: ?number,
     delayPressIn?: ?number,
     delayPressOut?: ?number,
     disabled?: ?boolean,
     focusable?: ?boolean,
     hitSlop?: ?EdgeInsetsProp,
     importantForAccessibility?: ?('auto' | 'yes' | 'no' | 'no-hide-descendants'),
     nativeID?: ?string,
     onAccessibilityAction?: ?(event: AccessibilityActionEvent) => mixed,
     onBlur?: ?(event: BlurEvent) => mixed,
     onFocus?: ?(event: FocusEvent) => mixed,
     onLayout?: ?(event: LayoutEvent) => mixed,
     onLongPress?: ?(event: PressEvent) => mixed,
     onPress?: ?(event: PressEvent) => mixed,
     onPressIn?: ?(event: PressEvent) => mixed,
     onPressOut?: ?(event: PressEvent) => mixed,
     pressRetentionOffset?: ?EdgeInsetsProp,
     rejectResponderTermination?: ?boolean,
     testID?: ?string,
     touchSoundDisabled?: ?boolean,
   |}>;
 
   // Copied from react-native/Libraries/Image/ImageSource.js
   declare export type ImageURISource = $ReadOnly<{
     uri?: ?string,
     bundle?: ?string,
     method?: ?string,
     headers?: ?Object,
     body?: ?string,
     cache?: ?('default' | 'reload' | 'force-cache' | 'only-if-cached'),
     width?: ?number,
     height?: ?number,
     scale?: ?number,
     ...
   }>;
 
   /**
    * The following is copied from react-native-gesture-handler's libdef
    */
 
   declare type StateUndetermined = 0;
   declare type StateFailed = 1;
   declare type StateBegan = 2;
   declare type StateCancelled = 3;
   declare type StateActive = 4;
   declare type StateEnd = 5;
 
   declare type GestureHandlerState =
     | StateUndetermined
     | StateFailed
     | StateBegan
     | StateCancelled
     | StateActive
     | StateEnd;
 
   declare type $SyntheticEvent<T: { ... }> = {
     +nativeEvent: $ReadOnly<$Exact<T>>,
     ...
   };
 
   declare type $Event<T: { ... }> = $SyntheticEvent<{
     handlerTag: number,
     numberOfPointers: number,
     state: GestureHandlerState,
     oldState: GestureHandlerState,
     ...$Exact<T>,
     ...
   }>;
 
   declare type $EventHandlers<ExtraProps: {...}> = {|
     onGestureEvent?: ($Event<ExtraProps>) => mixed,
     onHandlerStateChange?: ($Event<ExtraProps>) => mixed,
     onBegan?: ($Event<ExtraProps>) => mixed,
     onFailed?: ($Event<ExtraProps>) => mixed,
     onCancelled?: ($Event<ExtraProps>) => mixed,
     onActivated?: ($Event<ExtraProps>) => mixed,
     onEnded?: ($Event<ExtraProps>) => mixed,
   |};
 
   declare type HitSlop =
     | number
     | {|
         left?: number,
         top?: number,
         right?: number,
         bottom?: number,
         vertical?: number,
         horizontal?: number,
         width?: number,
         height?: number,
       |}
     | {|
         width: number,
         left: number,
       |}
     | {|
         width: number,
         right: number,
       |}
     | {|
         height: number,
         top: number,
       |}
     | {|
         height: number,
         bottom: number,
       |};
 
   declare type $GestureHandlerProps<
     AdditionalProps: {...},
     ExtraEventsProps: {...}
   > = $ReadOnly<{|
     ...$Exact<AdditionalProps>,
     ...$EventHandlers<ExtraEventsProps>,
     id?: string,
     enabled?: boolean,
     waitFor?: React$Ref<any> | Array<React$Ref<any>>,
     simultaneousHandlers?: React$Ref<any> | Array<React$Ref<any>>,
     shouldCancelWhenOutside?: boolean,
     minPointers?: number,
     hitSlop?: HitSlop,
     children?: React$Node,
   |}>;
 
   declare export type PanGestureHandlerProps = $GestureHandlerProps<
     {
       activeOffsetY?: number | [number, number],
       activeOffsetX?: number | [number, number],
       failOffsetY?: number | [number, number],
       failOffsetX?: number | [number, number],
       minDist?: number,
       minVelocity?: number,
       minVelocityX?: number,
       minVelocityY?: number,
       minPointers?: number,
       maxPointers?: number,
       avgTouches?: boolean,
       ...
     },
     {
       x: number,
       y: number,
       absoluteX: number,
       absoluteY: number,
       translationX: number,
       translationY: number,
       velocityX: number,
       velocityY: number,
       ...
     }
   >;
 
   /**
    * MAGIC
    */
 
   declare type $If<Test: boolean, Then, Else = empty> = $Call<
     ((true, Then, Else) => Then) & ((false, Then, Else) => Else),
     Test,
     Then,
     Else,
   >;
   declare type $IsA<X, Y> = $Call<
     (Y => true) & (mixed => false),
     X,
   >;
   declare type $IsUndefined<X> = $IsA<X, void>;
 
   declare type $Partial<T> = $ReadOnly<$Rest<T, {...}>>;
 
   // If { ...T, ... } counts as a T, then we're inexact
   declare type $IsExact<T> = $Call<
     (T => false) & (mixed => true),
     { ...T, ... },
   >;
 
   /**
    * Actions, state, etc.
    */
 
   declare export type ScreenParams = { +[key: string]: mixed, ... };
 
   declare export type BackAction = {|
     +type: 'GO_BACK',
     +source?: string,
     +target?: string,
   |};
   declare export type NavigateAction = {|
     +type: 'NAVIGATE',
     +payload:
       | {| +key: string, +params?: ScreenParams |}
       | {| +name: string, +key?: string, +params?: ScreenParams |},
     +source?: string,
     +target?: string,
   |};
   declare export type ResetAction = {|
     +type: 'RESET',
     +payload: StaleNavigationState,
     +source?: string,
     +target?: string,
   |};
   declare export type SetParamsAction = {|
     +type: 'SET_PARAMS',
     +payload: {| +params?: ScreenParams |},
     +source?: string,
     +target?: string,
   |};
   declare export type CommonAction =
     | BackAction
     | NavigateAction
     | ResetAction
     | SetParamsAction;
 
   declare type NavigateActionCreator = {|
     (routeName: string, params?: ScreenParams): NavigateAction,
     (
       | {| +key: string, +params?: ScreenParams |}
       | {| +name: string, +key?: string, +params?: ScreenParams |},
     ): NavigateAction,
   |};
   declare export type CommonActionsType = {|
     +navigate: NavigateActionCreator,
     +goBack: () => BackAction,
     +reset: (state: PossiblyStaleNavigationState) => ResetAction,
     +setParams: (params: ScreenParams) => SetParamsAction,
   |};
 
   declare export type GenericNavigationAction = {|
     +type: string,
     +payload?: { +[key: string]: mixed, ... },
     +source?: string,
     +target?: string,
   |};
 
   declare export type LeafRoute<RouteName: string = string> = {|
     +key: string,
     +name: RouteName,
     +params?: ScreenParams,
   |};
   declare export type StateRoute<RouteName: string = string> = {|
     ...LeafRoute<RouteName>,
     +state: NavigationState | StaleNavigationState,
   |};
   declare export type Route<RouteName: string = string> =
     | LeafRoute<RouteName>
     | StateRoute<RouteName>;
 
   declare export type NavigationState = {|
     +key: string,
     +index: number,
     +routeNames: $ReadOnlyArray<string>,
     +history?: $ReadOnlyArray<mixed>,
     +routes: $ReadOnlyArray<Route<>>,
     +type: string,
     +stale: false,
   |};
 
   declare export type StaleLeafRoute<RouteName: string = string> = {|
     +key?: string,
     +name: RouteName,
     +params?: ScreenParams,
   |};
   declare export type StaleStateRoute<RouteName: string = string> = {|
     ...StaleLeafRoute<RouteName>,
     +state: StaleNavigationState,
   |};
   declare export type StaleRoute<RouteName: string = string> =
     | StaleLeafRoute<RouteName>
     | StaleStateRoute<RouteName>;
   declare export type StaleNavigationState = {|
     // It's possible to pass React Nav a StaleNavigationState with an undefined
     // index, but React Nav will always return one with the index set. This is
     // the same as for the type property below, but in the case of index we tend
     // to rely on it being set more...
     +index: number,
     +history?: $ReadOnlyArray<mixed>,
     +routes: $ReadOnlyArray<StaleRoute<>>,
     +type?: string,
     +stale?: true,
   |};
 
   declare export type PossiblyStaleNavigationState =
     | NavigationState
     | StaleNavigationState;
   declare export type PossiblyStaleRoute<RouteName: string = string> =
     | Route<RouteName>
     | StaleRoute<RouteName>;
 
   /**
    * Routers
    */
 
   declare type ActionCreators<
     State: NavigationState,
     Action: GenericNavigationAction,
   > = {
     +[key: string]: (...args: any) => (Action | State => Action),
     ...
   };
 
   declare export type DefaultRouterOptions = {
     +initialRouteName?: string,
     ...
   };
 
   declare export type RouterFactory<
     State: NavigationState,
     Action: GenericNavigationAction,
     RouterOptions: DefaultRouterOptions,
   > = (options: RouterOptions) => Router<State, Action>;
 
   declare export type ParamListBase = { +[key: string]: ?ScreenParams, ... };
 
   declare export type RouterConfigOptions = {|
     +routeNames: $ReadOnlyArray<string>,
     +routeParamList: ParamListBase,
   |};
 
   declare export type Router<
     State: NavigationState,
     Action: GenericNavigationAction,
   > = {|
     +type: $PropertyType<State, 'type'>,
     +getInitialState: (options: RouterConfigOptions) => State,
     +getRehydratedState: (
       partialState: PossiblyStaleNavigationState,
       options: RouterConfigOptions,
     ) => State,
     +getStateForRouteNamesChange: (
       state: State,
       options: RouterConfigOptions,
     ) => State,
     +getStateForRouteFocus: (state: State, key: string) => State,
     +getStateForAction: (
       state: State,
       action: Action,
       options: RouterConfigOptions,
     ) => ?PossiblyStaleNavigationState;
     +shouldActionChangeFocus: (action: GenericNavigationAction) => boolean,
     +actionCreators?: ActionCreators<State, Action>,
   |};
 
   /**
    * Stack actions and router
    */
 
   declare export type StackNavigationState = {|
     ...NavigationState,
     +type: 'stack',
   |};
 
   declare export type ReplaceAction = {|
     +type: 'REPLACE',
     +payload: {| +name: string, +key?: ?string, +params?: ScreenParams |},
     +source?: string,
     +target?: string,
   |};
   declare export type PushAction = {|
     +type: 'PUSH',
     +payload: {| +name: string, +key?: ?string, +params?: ScreenParams |},
     +source?: string,
     +target?: string,
   |};
   declare export type PopAction = {|
     +type: 'POP',
     +payload: {| +count: number |},
     +source?: string,
     +target?: string,
   |};
   declare export type PopToTopAction = {|
     +type: 'POP_TO_TOP',
     +source?: string,
     +target?: string,
   |};
   declare export type StackAction =
     | CommonAction
     | ReplaceAction
     | PushAction
     | PopAction
     | PopToTopAction;
 
   declare export type StackActionsType = {|
     +replace: (routeName: string, params?: ScreenParams) => ReplaceAction,
     +push: (routeName: string, params?: ScreenParams) => PushAction,
     +pop: (count?: number) => PopAction,
     +popToTop: () => PopToTopAction,
   |};
 
   declare export type StackRouterOptions = $Exact<DefaultRouterOptions>;
 
   /**
    * Tab actions and router
    */
 
   declare export type TabNavigationState = {|
     ...NavigationState,
     +type: 'tab',
     +history: $ReadOnlyArray<{| type: 'route', key: string |}>,
   |};
 
   declare export type JumpToAction = {|
     +type: 'JUMP_TO',
     +payload: {| +name: string, +params?: ScreenParams |},
     +source?: string,
     +target?: string,
   |};
   declare export type TabAction =
     | CommonAction
     | JumpToAction;
 
   declare export type TabActionsType = {|
     +jumpTo: string => JumpToAction,
   |};
 
   declare export type TabRouterOptions = {|
     ...$Exact<DefaultRouterOptions>,
     +backBehavior?: 'initialRoute' | 'order' | 'history' | 'none',
   |};
 
   /**
    * Drawer actions and router
    */
 
   declare type DrawerHistoryEntry =
     | {| +type: 'route', +key: string |}
     | {| +type: 'drawer' |};
   declare export type DrawerNavigationState = {|
     ...NavigationState,
     +type: 'drawer',
     +history: $ReadOnlyArray<DrawerHistoryEntry>,
   |};
 
   declare export type OpenDrawerAction = {|
     +type: 'OPEN_DRAWER',
     +source?: string,
     +target?: string,
   |};
   declare export type CloseDrawerAction = {|
     +type: 'CLOSE_DRAWER',
     +source?: string,
     +target?: string,
   |};
   declare export type ToggleDrawerAction = {|
     +type: 'TOGGLE_DRAWER',
     +source?: string,
     +target?: string,
   |};
   declare export type DrawerAction =
     | TabAction
     | OpenDrawerAction
     | CloseDrawerAction
     | ToggleDrawerAction;
 
   declare export type DrawerActionsType = {|
     ...TabActionsType,
     +openDrawer: () => OpenDrawerAction,
     +closeDrawer: () => CloseDrawerAction,
     +toggleDrawer: () => ToggleDrawerAction,
   |};
 
   declare export type DrawerRouterOptions = {|
     ...TabRouterOptions,
     +defaultStatus?: 'open' | 'closed',
   |};
 
   /**
    * Events
    */
 
   declare export type EventMapBase = {
     +[name: string]: {|
       +data?: mixed,
       +canPreventDefault?: boolean,
     |},
     ...
   };
   declare type EventPreventDefaultProperties<Test: boolean> = $If<
     Test,
     {| +defaultPrevented: boolean, +preventDefault: () => void |},
     {| |},
   >;
   declare type EventDataProperties<Data> = $If<
     $IsUndefined<Data>,
     {| |},
     {| +data: Data |},
   >;
   declare type EventArg<
     EventName: string,
     CanPreventDefault: ?boolean = false,
     Data = void,
   > = {|
     ...EventPreventDefaultProperties<CanPreventDefault>,
     ...EventDataProperties<Data>,
     +type: EventName,
     +target?: string,
   |};
   declare type GlobalEventMap<State: PossiblyStaleNavigationState> = {|
     +state: {| +data: {| +state: State |}, +canPreventDefault: false |},
   |};
   declare export type EventMapCore<State: PossiblyStaleNavigationState> = {|
     ...GlobalEventMap<State>,
     +focus: {| +data: void, +canPreventDefault: false |},
     +blur: {| +data: void, +canPreventDefault: false |},
     +beforeRemove: {|
       +data: {| +action: GenericNavigationAction |},
       +canPreventDefault: true,
     |},
   |};
   declare type EventListenerCallback<
     EventName: string,
     State: PossiblyStaleNavigationState = NavigationState,
     EventMap: EventMapBase = EventMapCore<State>,
   > = (e: EventArg<
     EventName,
     $PropertyType<
       $ElementType<
         {| ...EventMap, ...EventMapCore<State> |},
         EventName,
       >,
       'canPreventDefault',
     >,
     $PropertyType<
       $ElementType<
         {| ...EventMap, ...EventMapCore<State> |},
         EventName,
       >,
       'data',
     >,
   >) => mixed;
 
   /**
    * Navigation prop
    */
 
   declare type PartialWithMergeProperty<ParamsType> = $If<
     $IsExact<ParamsType>,
     { ...$Partial<ParamsType>, +merge: true },
     { ...$Partial<ParamsType>, +merge: true, ... },
   >;
 
   declare type EitherExactOrPartialWithMergeProperty<ParamsType> =
     | ParamsType
     | PartialWithMergeProperty<ParamsType>;
 
   declare export type SimpleNavigate<ParamList> =
     <DestinationRouteName: $Keys<ParamList>>(
       routeName: DestinationRouteName,
       params: EitherExactOrPartialWithMergeProperty<
         $ElementType<ParamList, DestinationRouteName>,
       >,
     ) => void;
 
   declare export type Navigate<ParamList> =
     & SimpleNavigate<ParamList>
     & <DestinationRouteName: $Keys<ParamList>>(
         route: $If<
           $IsUndefined<$ElementType<ParamList, DestinationRouteName>>,
           | {| +key: string |}
           | {| +name: DestinationRouteName, +key?: string |},
           | {|
               +key: string,
               +params?: EitherExactOrPartialWithMergeProperty<
                 $ElementType<ParamList, DestinationRouteName>,
               >,
             |}
           | {|
               +name: DestinationRouteName,
               +key?: string,
               +params?: EitherExactOrPartialWithMergeProperty<
                 $ElementType<ParamList, DestinationRouteName>,
               >,
             |},
         >,
       ) => void;
 
   declare type CoreNavigationHelpers<
     ParamList: ParamListBase,
     State: PossiblyStaleNavigationState = PossiblyStaleNavigationState,
     EventMap: EventMapBase = EventMapCore<State>,
   > = {
     +navigate: Navigate<ParamList>,
     +dispatch: (
       action:
         | GenericNavigationAction
         | (State => GenericNavigationAction),
     ) => void,
     +reset: PossiblyStaleNavigationState => void,
     +goBack: () => void,
     +isFocused: () => boolean,
     +canGoBack: () => boolean,
     +getId: () => string | void,
     +getParent: <
       ParamList: ParamListBase,
       RouteName: $Keys<ParamList>,
       State: PossiblyStaleNavigationState,
       ScreenOptions: {...},
       EventMap: EventMapBase,
       Parent: NavigationProp<
         ParamList,
         RouteName,
         State,
         ScreenOptions,
         EventMap,
       >,
     >(id?: string) => ?Parent,
     +getState: () => NavigationState,
     +addListener: <EventName: $Keys<
       {| ...EventMap, ...EventMapCore<State> |},
     >>(
       name: EventName,
       callback: EventListenerCallback<EventName, State, EventMap>,
     ) => () => void,
     +removeListener: <EventName: $Keys<
       {| ...EventMap, ...EventMapCore<State> |},
     >>(
       name: EventName,
       callback: EventListenerCallback<EventName, State, EventMap>,
     ) => void,
     ...
   };
 
   declare export type NavigationHelpers<
     ParamList: ParamListBase,
     State: PossiblyStaleNavigationState = PossiblyStaleNavigationState,
     EventMap: EventMapBase = EventMapCore<State>,
   > = {
     ...$Exact<CoreNavigationHelpers<
       ParamList,
       State,
       EventMap,
     >>,
     +setParams: (params: ScreenParams) => void,
     ...
   };
 
   declare type SetParamsInput<
     ParamList: ParamListBase,
     RouteName: $Keys<ParamList> = $Keys<ParamList>,
   > = $If<
     $IsUndefined<$ElementType<ParamList, RouteName>>,
     empty,
     $Partial<$NonMaybeType<$ElementType<ParamList, RouteName>>>,
   >;
 
   declare export type NavigationProp<
     ParamList: ParamListBase,
     RouteName: $Keys<ParamList> = $Keys<ParamList>,
     State: PossiblyStaleNavigationState = PossiblyStaleNavigationState,
     ScreenOptions: {...} = {...},
     EventMap: EventMapBase = EventMapCore<State>,
   > = {
     ...$Exact<CoreNavigationHelpers<
       ParamList,
       State,
       EventMap,
     >>,
     +setOptions: (options: $Partial<ScreenOptions>) => void,
     +setParams: (params: SetParamsInput<ParamList, RouteName>) => void,
     ...
   };
 
   /**
    * CreateNavigator
    */
 
   declare export type RouteProp<
     ParamList: ParamListBase = ParamListBase,
     RouteName: $Keys<ParamList> = $Keys<ParamList>,
   > = {|
     ...LeafRoute<RouteName>,
     +params: $ElementType<ParamList, RouteName>,
     +path?: string,
   |};
 
   declare type ScreenOptionsProp<
     ScreenOptions: {...},
     RouteParam,
     NavHelpers,
   > =
     | ScreenOptions
     | ({| +route: RouteParam, +navigation: NavHelpers |}) => ScreenOptions;
   declare export type ScreenListeners<
     State: NavigationState = NavigationState,
     EventMap: EventMapBase = EventMapCore<State>,
   > = $ObjMapi<
     {| [name: $Keys<EventMap>]: empty |},
     <K: $Keys<EventMap>>(K, empty) => EventListenerCallback<K, State, EventMap>,
   >;
   declare type ScreenListenersProp<
     ScreenListenersParam: {...},
     RouteParam,
     NavHelpers,
   > =
     | ScreenListenersParam
     | ({| +route: RouteParam, +navigation: NavHelpers |}) => ScreenListenersParam;
 
   declare type BaseScreenProps<
     ParamList: ParamListBase,
     NavProp,
     RouteName: $Keys<ParamList> = $Keys<ParamList>,
     State: NavigationState = NavigationState,
     ScreenOptions: {...} = {...},
     EventMap: EventMapBase = EventMapCore<State>,
   > = {|
     +name: RouteName,
     +options?: ScreenOptionsProp<
       ScreenOptions,
       RouteProp<ParamList, RouteName>,
       NavProp,
     >,
     +listeners?: ScreenListenersProp<
       ScreenListeners<State, EventMap>,
       RouteProp<ParamList, RouteName>,
       NavProp,
     >,
     +initialParams?: $Partial<$ElementType<ParamList, RouteName>>,
     +getId?: ({
       +params: $ElementType<ParamList, RouteName>,
     }) => string | void,
     +navigationKey?: string,
   |};
 
   declare export type ScreenProps<
     ParamList: ParamListBase,
     NavProp,
     RouteName: $Keys<ParamList> = $Keys<ParamList>,
     State: NavigationState = NavigationState,
     ScreenOptions: {...} = {...},
     EventMap: EventMapBase = EventMapCore<State>,
   > =
     | {|
         ...BaseScreenProps<
           ParamList,
           NavProp,
           RouteName,
           State,
           ScreenOptions,
           EventMap,
         >,
         +component: React$ComponentType<{|
           +route: RouteProp<ParamList, RouteName>,
           +navigation: NavProp,
         |}>,
       |}
     | {|
         ...BaseScreenProps<
           ParamList,
           NavProp,
           RouteName,
           State,
           ScreenOptions,
           EventMap,
         >,
         +getComponent: () => React$ComponentType<{|
           +route: RouteProp<ParamList, RouteName>,
           +navigation: NavProp,
         |}>,
       |}
     | {|
         ...BaseScreenProps<
           ParamList,
           NavProp,
           RouteName,
           State,
           ScreenOptions,
           EventMap,
         >,
         +children: ({|
           +route: RouteProp<ParamList, RouteName>,
           +navigation: NavProp,
         |}) => React$Node,
       |};
 
   declare export type ScreenComponent<
     GlobalParamList: ParamListBase,
     ParamList: ParamListBase,
     State: NavigationState = NavigationState,
     ScreenOptions: {...} = {...},
     EventMap: EventMapBase = EventMapCore<State>,
   > = <
     RouteName: $Keys<ParamList>,
     NavProp: NavigationProp<
       GlobalParamList,
       RouteName,
       State,
       ScreenOptions,
       EventMap,
     >,
   >(props: ScreenProps<
     ParamList,
     NavProp,
     RouteName,
     State,
     ScreenOptions,
     EventMap,
   >) => React$Node;
 
   declare type ScreenOptionsProps<
     ScreenOptions: {...},
     RouteParam,
     NavHelpers,
   > = {|
     +screenOptions?: ScreenOptionsProp<ScreenOptions, RouteParam, NavHelpers>,
   |};
   declare type ScreenListenersProps<
     ScreenListenersParam: {...},
     RouteParam,
     NavHelpers,
   > = {|
     +screenListeners?: ScreenListenersProp<
       ScreenListenersParam,
       RouteParam,
       NavHelpers,
     >,
   |};
   declare export type ExtraNavigatorPropsBase = {
     ...$Exact<DefaultRouterOptions>,
     +id?: string,
     +children?: React$Node,
     ...
   };
   declare export type NavigatorProps<
     ScreenOptions: {...},
     ScreenListenersParam,
     RouteParam,
     NavHelpers,
     ExtraNavigatorProps: ExtraNavigatorPropsBase,
   > = {
     ...$Exact<ExtraNavigatorProps>,
     ...ScreenOptionsProps<ScreenOptions, RouteParam, NavHelpers>,
     ...ScreenListenersProps<ScreenListenersParam, RouteParam, NavHelpers>,
     +defaultScreenOptions?:
       | ScreenOptions
       | ({|
           +route: RouteParam,
           +navigation: NavHelpers,
           +options: ScreenOptions,
         |}) => ScreenOptions,
     ...
   };
   declare export type NavigatorPropsBase<
     ScreenOptions: {...},
     ScreenListenersParam: {...},
     NavHelpers,
   > = NavigatorProps<
     ScreenOptions,
     ScreenListenersParam,
     RouteProp<>,
     NavHelpers,
     ExtraNavigatorPropsBase,
   >;
 
   declare export type CreateNavigator<
     State: NavigationState,
     ScreenOptions: {...},
     EventMap: EventMapBase,
     ExtraNavigatorProps: ExtraNavigatorPropsBase,
   > = <
     GlobalParamList: ParamListBase,
     ParamList: ParamListBase,
     NavHelpers: NavigationHelpers<
       GlobalParamList,
       State,
       EventMap,
     >,
   >() => {|
     +Screen: ScreenComponent<
       GlobalParamList,
       ParamList,
       State,
       ScreenOptions,
       EventMap,
     >,
     +Navigator: React$ComponentType<$Exact<NavigatorProps<
       ScreenOptions,
       ScreenListeners<State, EventMap>,
       RouteProp<ParamList>,
       NavHelpers,
       ExtraNavigatorProps,
     >>>,
     +Group: React$ComponentType<{|
       ...ScreenOptionsProps<ScreenOptions, RouteProp<ParamList>, NavHelpers>,
       +children: React$Node,
       +navigationKey?: string,
     |}>,
   |};
 
   declare export type CreateNavigatorFactory = <
     State: NavigationState,
     ScreenOptions: {...},
     EventMap: EventMapBase,
     NavHelpers: NavigationHelpers<
       ParamListBase,
       State,
       EventMap,
     >,
     ExtraNavigatorProps: ExtraNavigatorPropsBase,
   >(
     navigator: React$ComponentType<$Exact<NavigatorProps<
       ScreenOptions,
       ScreenListeners<State, EventMap>,
       RouteProp<>,
       NavHelpers,
       ExtraNavigatorProps,
     >>>,
   ) => CreateNavigator<State, ScreenOptions, EventMap, ExtraNavigatorProps>;
 
 
   /**
    * useNavigationBuilder
    */
 
   declare export type Descriptor<
     NavHelpers,
     ScreenOptions: {...} = {...},
   > = {|
     +render: () => React$Node,
     +options: $ReadOnly<ScreenOptions>,
     +navigation: NavHelpers,
   |};
 
   declare export type UseNavigationBuilder = <
     State: NavigationState,
     Action: GenericNavigationAction,
     ScreenOptions: {...},
     RouterOptions: DefaultRouterOptions,
     NavHelpers,
     EventMap: EventMapBase,
     ExtraNavigatorProps: ExtraNavigatorPropsBase,
   >(
     routerFactory: RouterFactory<State, Action, RouterOptions>,
     options: $Exact<NavigatorProps<
       ScreenOptions,
       ScreenListeners<State, EventMap>,
       RouteProp<>,
       NavHelpers,
       ExtraNavigatorProps,
     >>,
   ) => {|
     +id?: string,
     +state: State,
     +descriptors: {| +[key: string]: Descriptor<NavHelpers, ScreenOptions> |},
     +navigation: NavHelpers,
   |};
 
   /**
    * EdgeInsets
    */
 
   declare type EdgeInsets = {|
     +top: number,
     +right: number,
     +bottom: number,
     +left: number,
   |};
 
   /**
    * TransitionPreset
    */
 
   declare export type TransitionSpec =
     | {|
         animation: 'spring',
         config: $Diff<
           SpringAnimationConfigSingle,
           { toValue: number | AnimatedValue, ... },
         >,
       |}
     | {|
         animation: 'timing',
         config: $Diff<
           TimingAnimationConfigSingle,
           { toValue: number | AnimatedValue, ... },
         >,
       |};
 
   declare export type StackCardInterpolationProps = {|
     +current: {|
       +progress: AnimatedInterpolation,
     |},
     +next?: {|
       +progress: AnimatedInterpolation,
     |},
     +index: number,
     +closing: AnimatedInterpolation,
     +swiping: AnimatedInterpolation,
     +inverted: AnimatedInterpolation,
     +layouts: {|
       +screen: {| +width: number, +height: number |},
     |},
     +insets: EdgeInsets,
   |};
   declare export type StackCardInterpolatedStyle = {|
     containerStyle?: AnimatedViewStyleProp,
     cardStyle?: AnimatedViewStyleProp,
     overlayStyle?: AnimatedViewStyleProp,
     shadowStyle?: AnimatedViewStyleProp,
   |};
   declare export type StackCardStyleInterpolator = (
     props: StackCardInterpolationProps,
   ) => StackCardInterpolatedStyle;
 
   declare export type StackHeaderInterpolationProps = {|
     +current: {|
       +progress: AnimatedInterpolation,
     |},
     +next?: {|
       +progress: AnimatedInterpolation,
     |},
     +layouts: {|
       +header: {| +width: number, +height: number |},
       +screen: {| +width: number, +height: number |},
       +title?: {| +width: number, +height: number |},
       +leftLabel?: {| +width: number, +height: number |},
     |},
   |};
   declare export type StackHeaderInterpolatedStyle = {|
     leftLabelStyle?: AnimatedViewStyleProp,
     leftButtonStyle?: AnimatedViewStyleProp,
     rightButtonStyle?: AnimatedViewStyleProp,
     titleStyle?: AnimatedViewStyleProp,
     backgroundStyle?: AnimatedViewStyleProp,
   |};
   declare export type StackHeaderStyleInterpolator = (
     props: StackHeaderInterpolationProps,
   ) => StackHeaderInterpolatedStyle;
 
   declare type GestureDirection =
     | 'horizontal'
     | 'horizontal-inverted'
     | 'vertical'
     | 'vertical-inverted';
 
   declare export type TransitionPreset = {|
     +gestureDirection: GestureDirection,
     +transitionSpec: {|
       +open: TransitionSpec,
       +close: TransitionSpec,
     |},
     +cardStyleInterpolator: StackCardStyleInterpolator,
     +headerStyleInterpolator: StackHeaderStyleInterpolator,
   |};
 
   /**
    * Header common options
    */
   
   declare export type SceneProgress = {|
     +current: AnimatedInterpolation,
     +next?: AnimatedInterpolation,
     +previous?: AnimatedInterpolation,
   |};
 
   declare export type HeaderProps<NavProp, ScreenOptions: {...},> = {|
     +navigation: NavProp,
     +route: RouteProp<>,
     +options: ScreenOptions,
     +layout: {| +width: number, +height: number |},
   |};
 
   declare export type HeaderButtonProps = $Partial<{|
     +tintColor: string,
     +pressColor: string,
     +pressOpacity: number,
   |}>;
 
   declare export type HeaderLeftButtonProps = $Partial<{|
     ...HeaderButtonProps,
     +labelVisible: boolean,
   |}>;
 
   declare export type HeaderTitleInputBase = {
     +onLayout: LayoutEvent => void,
     +children: string,
     +allowFontScaling: ?boolean,
     +tintColor: ?string,
     +style: ?AnimatedTextStyleProp,
     ...
   };
 
   declare export type HeaderTitleInputProps =
     $Exact<HeaderTitleInputBase>;
 
   declare export type HeaderCommonOptions<
     NavHeaderProps,
     NavHeaderLeftProps,
     NavHeaderRightProps,
   > = $Partial<{|
     +header: NavHeaderProps => React$Node,
     +headerShown: boolean,
     +headerTitle: string | ( HeaderTitleInputProps => React$Node),
     +headerTitleAlign: 'left' | 'center',
     +headerTitleStyle: AnimatedTextStyleProp,
     +headerTitleContainerStyle: AnimatedViewStyleProp,
     +headerTintColor: string,
     +headerTitleAllowFontScaling: boolean,
-    +headerLeft: NavHeaderLeftProps => React$Node,
+    +headerLeft: null | (NavHeaderLeftProps => React$Node),
     +headerLeftContainerStyle: AnimatedViewStyleProp,
     +headerRight: NavHeaderRightProps => React$Node,
     +headerRightContainerStyle: AnimatedViewStyleProp,
     +headerBackground: ({| style: AnimatedViewStyleProp |}) => React$Node,
     +headerStyle: AnimatedViewStyleProp,
     +headerTransparent: boolean,
     +headerStatusBarHeight: number,
     +headerShadowVisible: boolean,
     +headerBackgroundContainerStyle: AnimatedViewStyleProp,
     +headerPressColor: string,
     +headerPressOpacity: number,
   |}>;
 
   /**
    * Stack options
    */
 
   declare export type StackDescriptor<
     Helpers = StackNavigationHelpers<>,
   > = Descriptor<Helpers, StackOptions>;
 
   declare export type StackHeaderProps = {|
     ...HeaderProps<StackNavigationProp<>, StackOptions>,
     +progress: SceneProgress,
     +back?: {| +title: string |},
     +styleInterpolator: StackHeaderStyleInterpolator,
   |};
 
   declare export type StackHeaderButtonProps = $Partial<{|
     ...HeaderButtonProps,
     +canGoBack: boolean,
   |}>;
 
   declare export type StackHeaderLeftButtonProps = $Partial<{|
     ...StackHeaderButtonProps,
     +onPress: (() => void),
     +backImage: (props: {| tintColor: string |}) => React$Node,
     +label: string,
     +truncatedLabel: string,
     +labelVisible: boolean,
     +labelStyle: AnimatedTextStyleProp,
     +allowFontScaling: boolean,
     +onLabelLayout: LayoutEvent => void,
     +screenLayout: {| +width: number, +height: number |},
     +titleLayout: {| +width: number, +height: number |},
     +disabled: boolean,
     +accessibilityLabel: string,
     +style: ViewStyleProp,
   |}>;
 
   declare export type StackOptions = $Partial<{|
     +title: string,
     +cardShadowEnabled: boolean,
     +cardOverlayEnabled: boolean,
     +cardOverlay: {| style: ViewStyleProp |} => React$Node,
     +cardStyle: ViewStyleProp,
     +animationEnabled: boolean,
     +animationTypeForReplace: 'push' | 'pop',
     +gestureEnabled: boolean,
     +gestureResponseDistance: number,
     +gestureVelocityImpact: number,
     +safeAreaInsets: $Partial<EdgeInsets>,
     +keyboardHandlingEnabled: boolean,
     +presentation: 'card' | 'modal' | 'transparentModal',
     // Transition
     ...TransitionPreset,
     // Header
     ...HeaderCommonOptions<
       StackHeaderProps,  
       StackHeaderLeftButtonProps,
       StackHeaderButtonProps,
     >,
     +headerMode: 'float' | 'screen',
     +headerBackAllowFontScaling: boolean,
     +headerBackTitle: string | null,
     +headerBackTitleStyle: TextStyleProp,
     +headerBackTitleVisible: boolean,
     +headerTruncatedBackTitle: string,
     +headerBackImage: $PropertyType<StackHeaderLeftButtonProps, 'backImage'>,
     +headerBackAccessibilityLabel: string,
   |}>;
 
   /**
    * Stack navigation prop
    */
 
   declare export type StackNavigationEventMap = {|
     ...EventMapCore<StackNavigationState>,
     +transitionStart: {|
       +data: {| +closing: boolean |},
       +canPreventDefault: false,
     |},
     +transitionEnd: {|
       +data: {| +closing: boolean |},
       +canPreventDefault: false,
     |},
     +gestureStart: {| +data: void, +canPreventDefault: false |},
     +gestureEnd: {| +data: void, +canPreventDefault: false |},
     +gestureCancel: {| +data: void, +canPreventDefault: false |},
   |};
 
   declare type StackExtraNavigationHelpers<
     ParamList: ParamListBase = ParamListBase,
   > = {|
     +replace: SimpleNavigate<ParamList>,
     +push: SimpleNavigate<ParamList>,
     +pop: (count?: number) => void,
     +popToTop: () => void,
   |};
 
   declare export type StackNavigationHelpers<
     ParamList: ParamListBase = ParamListBase,
     EventMap: EventMapBase = StackNavigationEventMap,
   > = {
     ...$Exact<NavigationHelpers<
       ParamList,
       StackNavigationState,
       EventMap,
     >>,
     ...StackExtraNavigationHelpers<ParamList>,
     ...
   };
 
   declare export type StackNavigationProp<
     ParamList: ParamListBase = ParamListBase,
     RouteName: $Keys<ParamList> = $Keys<ParamList>,
     Options: {...} = StackOptions,
     EventMap: EventMapBase = StackNavigationEventMap,
   > = {|
     ...$Exact<NavigationProp<
       ParamList,
       RouteName,
       StackNavigationState,
       Options,
       EventMap,
     >>,
     ...StackExtraNavigationHelpers<ParamList>,
   |};
 
   /**
    * Miscellaneous stack exports
    */
 
   declare export type StackNavigationConfig = {|
     +detachInactiveScreens?: boolean,
   |};
 
   declare export type ExtraStackNavigatorProps = {|
     ...$Exact<ExtraNavigatorPropsBase>,
     ...StackRouterOptions,
     ...StackNavigationConfig,
   |};
 
   declare export type StackNavigatorProps<
     NavHelpers: StackNavigationHelpers<> = StackNavigationHelpers<>,
   > = $Exact<NavigatorProps<
     StackOptions,
     ScreenListeners<StackNavigationState, StackNavigationEventMap>,
     RouteProp<>,
     NavHelpers,
     ExtraStackNavigatorProps,
   >>;
 
   /**
    * Bottom tab options
    */
 
   declare export type BottomTabBarButtonProps = {|
     ...$Diff<
       TouchableWithoutFeedbackProps,
       {| onPress?: ?(event: PressEvent) => mixed |},
     >,
     +to?: string,
     +children: React$Node,
     +onPress?: (MouseEvent | PressEvent) => void,
   |};
 
   declare export type TabBarVisibilityAnimationConfig =
     | {|
         +animation: 'spring',
         +config?: $Diff<
           SpringAnimationConfigSingle,
           { toValue: number | AnimatedValue, useNativeDriver: boolean, ... },
         >,
       |}
     | {|
         +animation: 'timing',
         +config?: $Diff<
           TimingAnimationConfigSingle,
           { toValue: number | AnimatedValue, useNativeDriver: boolean, ... },
         >,
       |};
 
   declare export type BottomTabOptions = $Partial<{|
     +title: string,
     +tabBarLabel:
       | string
       | ({| focused: boolean, color: string |}) => React$Node,
     +tabBarIcon: ({|
       focused: boolean,
       color: string,
       size: number,
     |}) => React$Node,
     +tabBarBadge: number | string,
     +tabBarBadgeStyle: TextStyleProp,
     +tabBarAccessibilityLabel: string,
     +tabBarTestID: string,
     +tabBarVisibilityAnimationConfig: $Partial<{|
       +show: TabBarVisibilityAnimationConfig,
       +hide: TabBarVisibilityAnimationConfig,
     |}>,
     +tabBarButton: BottomTabBarButtonProps => React$Node,
     +tabBarHideOnKeyboard: boolean,
     +tabBarActiveTintColor: string,
     +tabBarInactiveTintColor: string,
     +tabBarActiveBackgroundColor: string,
     +tabBarInactiveBackgroundColor: string,
     +tabBarAllowFontScaling: boolean,
     +tabBarShowLabel: boolean,
     +tabBarLabelStyle: TextStyleProp,
     +tabBarIconStyle: TextStyleProp,
     +tabBarItemStyle: ViewStyleProp,
     +tabBarLabelPosition: 'beside-icon' | 'below-icon',
     +tabBarStyle: ViewStyleProp,
     +unmountOnBlur: boolean,
     +lazy: boolean,
     ...HeaderCommonOptions<
       HeaderProps<BottomTabNavigationProp<>, BottomTabOptions>,
       HeaderLeftButtonProps,
       HeaderButtonProps,
     >,
   |}>;
 
   /**
    * Bottom tab navigation prop
    */
 
   declare export type BottomTabNavigationEventMap = {|
     ...EventMapCore<TabNavigationState>,
     +tabPress: {| +data: void, +canPreventDefault: true |},
     +tabLongPress: {| +data: void, +canPreventDefault: false |},
   |};
 
   declare type TabExtraNavigationHelpers<
     ParamList: ParamListBase = ParamListBase,
   > = {|
     +jumpTo: SimpleNavigate<ParamList>,
   |};
 
   declare export type BottomTabNavigationHelpers<
     ParamList: ParamListBase = ParamListBase,
     EventMap: EventMapBase = BottomTabNavigationEventMap,
   > = {
     ...$Exact<NavigationHelpers<
       ParamList,
       TabNavigationState,
       EventMap,
     >>,
     ...TabExtraNavigationHelpers<ParamList>,
     ...
   };
 
   declare export type BottomTabNavigationProp<
     ParamList: ParamListBase = ParamListBase,
     RouteName: $Keys<ParamList> = $Keys<ParamList>,
     Options: {...} = BottomTabOptions,
     EventMap: EventMapBase = BottomTabNavigationEventMap,
   > = {|
     ...$Exact<NavigationProp<
       ParamList,
       RouteName,
       TabNavigationState,
       Options,
       EventMap,
     >>,
     ...TabExtraNavigationHelpers<ParamList>,
   |};
 
   /**
    * Miscellaneous bottom tab exports
    */
 
   declare export type BottomTabDescriptor = Descriptor<
     BottomTabNavigationHelpers<>,
     BottomTabOptions,
   >;
 
   declare export type BottomTabNavigationBuilderResult = {|
     +state: TabNavigationState,
     +navigation: BottomTabNavigationHelpers<>,
     +descriptors: {| +[key: string]: BottomTabDescriptor |},
   |};
 
   declare export type BottomTabBarProps = BottomTabNavigationBuilderResult;
 
   declare export type BottomTabNavigationConfig = {|
     +tabBar?: BottomTabBarProps => React$Node,
     +safeAreaInsets?: $Partial<EdgeInsets>,
     +detachInactiveScreens?: boolean,
   |};
 
   declare export type ExtraBottomTabNavigatorProps = {|
     ...$Exact<ExtraNavigatorPropsBase>,
     ...TabRouterOptions,
     ...BottomTabNavigationConfig,
   |};
 
   declare export type BottomTabNavigatorProps<
     NavHelpers: BottomTabNavigationHelpers<> = BottomTabNavigationHelpers<>,
   > = $Exact<NavigatorProps<
     BottomTabOptions,
     ScreenListeners<TabNavigationState, BottomTabNavigationEventMap>,
     RouteProp<>,
     NavHelpers,
     ExtraBottomTabNavigatorProps,
   >>;
 
   /**
    * Material bottom tab options
    */
 
   declare export type MaterialBottomTabOptions = $Partial<{|
     +title: string,
     +tabBarColor: string,
     +tabBarLabel: string,
     +tabBarIcon:
       | string
       | ({| +focused: boolean, +color: string |}) => React$Node,
     +tabBarBadge: boolean | number | string,
     +tabBarAccessibilityLabel: string,
     +tabBarTestID: string,
   |}>;
 
   /**
    * Material bottom tab navigation prop
    */
 
   declare export type MaterialBottomTabNavigationEventMap = {|
     ...EventMapCore<TabNavigationState>,
     +tabPress: {| +data: void, +canPreventDefault: true |},
   |};
 
   declare export type MaterialBottomTabNavigationHelpers<
     ParamList: ParamListBase = ParamListBase,
     EventMap: EventMapBase = MaterialBottomTabNavigationEventMap,
   > = {
     ...$Exact<NavigationHelpers<
       ParamList,
       TabNavigationState,
       EventMap,
     >>,
     ...TabExtraNavigationHelpers<ParamList>,
     ...
   };
 
   declare export type MaterialBottomTabNavigationProp<
     ParamList: ParamListBase = ParamListBase,
     RouteName: $Keys<ParamList> = $Keys<ParamList>,
     Options: {...} = MaterialBottomTabOptions,
     EventMap: EventMapBase = MaterialBottomTabNavigationEventMap,
   > = {|
     ...$Exact<NavigationProp<
       ParamList,
       RouteName,
       TabNavigationState,
       Options,
       EventMap,
     >>,
     ...TabExtraNavigationHelpers<ParamList>,
   |};
 
   /**
    * Miscellaneous material bottom tab exports
    */
 
   declare export type PaperFont = {|
     +fontFamily: string,
     +fontWeight?:
       | 'normal'
       | 'bold'
       | '100'
       | '200'
       | '300'
       | '400'
       | '500'
       | '600'
       | '700'
       | '800'
       | '900',
   |};
 
   declare export type PaperFonts = {|
     +regular: PaperFont,
     +medium: PaperFont,
     +light: PaperFont,
     +thin: PaperFont,
   |};
 
   declare export type PaperTheme = {|
     +dark: boolean,
     +mode?: 'adaptive' | 'exact',
     +roundness: number,
     +colors: {|
       +primary: string,
       +background: string,
       +surface: string,
       +accent: string,
       +error: string,
       +text: string,
       +onSurface: string,
       +onBackground: string,
       +disabled: string,
       +placeholder: string,
       +backdrop: string,
       +notification: string,
     |},
     +fonts: PaperFonts,
     +animation: {|
       +scale: number,
     |},
   |};
 
   declare export type PaperRoute = {|
     +key: string,
     +title?: string,
     +icon?: any,
     +badge?: string | number | boolean,
     +color?: string,
     +accessibilityLabel?: string,
     +testID?: string,
   |};
 
   declare export type PaperTouchableProps = {|
     ...TouchableWithoutFeedbackProps,
     +key: string,
     +route: PaperRoute,
     +children: React$Node,
     +borderless?: boolean,
     +centered?: boolean,
     +rippleColor?: string,
   |};
 
   declare export type MaterialBottomTabNavigationConfig = {|
     +shifting?: boolean,
     +labeled?: boolean,
     +renderTouchable?: PaperTouchableProps => React$Node,
     +activeColor?: string,
     +inactiveColor?: string,
     +sceneAnimationEnabled?: boolean,
     +keyboardHidesNavigationBar?: boolean,
     +barStyle?: ViewStyleProp,
     +style?: ViewStyleProp,
     +theme?: PaperTheme,
   |};
 
   declare export type ExtraMaterialBottomTabNavigatorProps = {|
     ...$Exact<ExtraNavigatorPropsBase>,
     ...TabRouterOptions,
     ...MaterialBottomTabNavigationConfig,
   |};
 
   declare export type MaterialBottomTabNavigatorProps<
     NavHelpers: MaterialBottomTabNavigationHelpers<> =
       MaterialBottomTabNavigationHelpers<>,
   > = $Exact<NavigatorProps<
     MaterialBottomTabOptions,
     ScreenListeners<TabNavigationState, MaterialBottomTabNavigationEventMap>,
     RouteProp<>,
     NavHelpers,
     ExtraMaterialBottomTabNavigatorProps,
   >>;
 
   /**
    * Material top tab options
    */
 
   declare export type MaterialTopTabOptions = $Partial<{|
     +title: string,
     +tabBarLabel:
       | string
       | ({| +focused: boolean, +color: string |}) => React$Node,
     +tabBarIcon: ({| +focused: boolean, +color: string |}) => React$Node,
     +tabBarAccessibilityLabel: string,
     +tabBarTestID: string,
     +tabBarActiveTintColor: string,
     +tabBarInactiveTintColor: string,
     +tabBarPressColor: string,
     +tabBarPressOpacity: number,
     +tabBarShowLabel: boolean,
     +tabBarShowIcon: boolean,
     +tabBarAllowFontScaling: boolean,
     +tabBarBounces: boolean,
     +tabBarScrollEnabled: boolean,
     +tabBarIconStyle: ViewStyleProp,
     +tabBarLabelStyle: TextStyleProp,
     +tabBarItemStyle: ViewStyleProp,
     +tabBarIndicatorStyle: ViewStyleProp,
     +tabBarIndicatorContainerStyle: ViewStyleProp,
     +tabBarContentContainerStyle: ViewStyleProp,
     +tabBarStyle: ViewStyleProp,
     +tabBarBadge: () => React$Node,
     +tabBarIndicator: MaterialTopTabBarIndicatorProps => React$Node,
     +lazy: boolean,
     +lazyPlaceholder: ({| +route: Route<> |}) => React$Node,
   |}>;
 
   /**
    * Material top tab navigation prop
    */
 
   declare export type MaterialTopTabNavigationEventMap = {|
     ...EventMapCore<TabNavigationState>,
     +tabPress: {| +data: void, +canPreventDefault: true |},
     +tabLongPress: {| +data: void, +canPreventDefault: false |},
     +swipeStart: {| +data: void, +canPreventDefault: false |},
     +swipeEnd: {| +data: void, +canPreventDefault: false |},
   |};
 
   declare export type MaterialTopTabNavigationHelpers<
     ParamList: ParamListBase = ParamListBase,
     EventMap: EventMapBase = MaterialTopTabNavigationEventMap,
   > = {
     ...$Exact<NavigationHelpers<
       ParamList,
       TabNavigationState,
       EventMap,
     >>,
     ...TabExtraNavigationHelpers<ParamList>,
     ...
   };
 
   declare export type MaterialTopTabNavigationProp<
     ParamList: ParamListBase = ParamListBase,
     RouteName: $Keys<ParamList> = $Keys<ParamList>,
     Options: {...} = MaterialTopTabOptions,
     EventMap: EventMapBase = MaterialTopTabNavigationEventMap,
   > = {|
     ...$Exact<NavigationProp<
       ParamList,
       RouteName,
       TabNavigationState,
       Options,
       EventMap,
     >>,
     ...TabExtraNavigationHelpers<ParamList>,
   |};
 
   /**
    * Miscellaneous material top tab exports
    */
 
   declare type MaterialTopTabPagerCommonProps = {|
     +keyboardDismissMode: 'none' | 'on-drag' | 'auto',
     +swipeEnabled: boolean,
     +swipeVelocityImpact?: number,
     +springVelocityScale?: number,
     +springConfig: $Partial<{|
       +damping: number,
       +mass: number,
       +stiffness: number,
       +restSpeedThreshold: number,
       +restDisplacementThreshold: number,
     |}>,
     +timingConfig: $Partial<{|
       +duration: number,
     |}>,
   |};
 
   declare export type MaterialTopTabPagerProps = {|
     ...MaterialTopTabPagerCommonProps,
     +onSwipeStart?: () => void,
     +onSwipeEnd?: () => void,
     +onIndexChange: (index: number) => void,
     +navigationState: TabNavigationState,
     +layout: {| +width: number, +height: number |},
     +removeClippedSubviews: boolean,
     +children: ({|
       +addListener: (type: 'enter', listener: number => void) => void,
       +removeListener: (type: 'enter', listener: number => void) => void,
       +position: any, // Reanimated.Node<number>
       +render: React$Node => React$Node,
       +jumpTo: string => void,
     |}) => React$Node,
     +gestureHandlerProps: PanGestureHandlerProps,
   |};
 
   declare export type MaterialTopTabBarIndicatorProps = {|
     +state: TabNavigationState,
     +width: string,
     +style?: ViewStyleProp,
     +getTabWidth: number => number,
   |};
 
   declare export type MaterialTopTabDescriptor = Descriptor<
     MaterialBottomTabNavigationHelpers<>,
     MaterialBottomTabOptions,
   >;
 
   declare export type MaterialTopTabNavigationBuilderResult = {|
     +state: TabNavigationState,
     +navigation: MaterialTopTabNavigationHelpers<>,
     +descriptors: {| +[key: string]: MaterialTopTabDescriptor |},
   |};
 
   declare export type MaterialTopTabBarProps = {|
     ...MaterialTopTabNavigationBuilderResult,
     +layout: {| +width: number, +height: number |},
     +position: any, // Reanimated.Node<number>
     +jumpTo: string => void,
   |};
 
   declare export type MaterialTopTabNavigationConfig = {|
     ...$Partial<MaterialTopTabPagerCommonProps>,
     +position?: any, // Reanimated.Value<number>
     +tabBarPosition?: 'top' | 'bottom',
     +initialLayout?: $Partial<{| +width: number, +height: number |}>,
     +lazyPreloadDistance?: number,
     +removeClippedSubviews?: boolean,
     +sceneContainerStyle?: ViewStyleProp,
     +style?: ViewStyleProp,
     +gestureHandlerProps?: PanGestureHandlerProps,
     +pager?: MaterialTopTabPagerProps => React$Node,
     +tabBar?: MaterialTopTabBarProps => React$Node,
   |};
 
   declare export type ExtraMaterialTopTabNavigatorProps = {|
     ...$Exact<ExtraNavigatorPropsBase>,
     ...TabRouterOptions,
     ...MaterialTopTabNavigationConfig,
   |};
 
   declare export type MaterialTopTabNavigatorProps<
     NavHelpers: MaterialTopTabNavigationHelpers<> =
       MaterialTopTabNavigationHelpers<>,
   > = $Exact<NavigatorProps<
     MaterialTopTabOptions,
     ScreenListeners<TabNavigationState, MaterialTopTabNavigationEventMap>,
     RouteProp<>,
     NavHelpers,
     ExtraMaterialTopTabNavigatorProps,
   >>;
 
   /**
    * Drawer options
    */
 
   declare export type DrawerOptions = $Partial<{|
     +title: string,
     +lazy: boolean,
     +drawerLabel:
       | string
       | ({| +color: string, +focused: boolean |}) => React$Node,
     +drawerIcon: ({|
       +color: string,
       +size: number,
       +focused: boolean,
     |}) => React$Node,
     +drawerActiveTintColor: string,
     +drawerActiveBackgroundColor: string,
     +drawerInactiveTintColor: string,
     +drawerInactiveBackgroundColor: string,
     +drawerItemStyle: ViewStyleProp,
     +drawerLabelStyle: TextStyleProp,
     +drawerContentContainerStyle: ViewStyleProp,
     +drawerContentStyle: ViewStyleProp,
     +drawerStyle: ViewStyleProp,
     +drawerPosition: 'left' | 'right',
     +drawerType: 'front' | 'back' | 'slide' | 'permanent',
     +drawerHideStatusBarOnOpen: boolean,
     +drawerStatusBarAnimation: 'slide' | 'none' | 'fade',
     +overlayColor: string,
     +sceneContainerStyle: ViewStyleProp,
     +gestureHandlerProps: PanGestureHandlerProps,
     +swipeEnabled: boolean,
     +swipeEdgeWidth: number,
     +swipeMinDistance: number,
     +keyboardDismissMode: 'on-drag' | 'none',
     +unmountOnBlur: boolean,
     ...HeaderCommonOptions<
       HeaderProps<DrawerNavigationProp<>, DrawerOptions>,
       HeaderLeftButtonProps,
       HeaderButtonProps,
     >,
   |}>;
 
   /**
    * Drawer navigation prop
    */
 
   declare export type DrawerNavigationEventMap =
     EventMapCore<DrawerNavigationState>;
 
   declare type DrawerExtraNavigationHelpers<
     ParamList: ParamListBase = ParamListBase,
   > = {|
     +jumpTo: SimpleNavigate<ParamList>,
     +openDrawer: () => void,
     +closeDrawer: () => void,
     +toggleDrawer: () => void,
   |};
 
   declare export type DrawerNavigationHelpers<
     ParamList: ParamListBase = ParamListBase,
     EventMap: EventMapBase = DrawerNavigationEventMap,
   > = {
     ...$Exact<NavigationHelpers<
       ParamList,
       DrawerNavigationState,
       EventMap,
     >>,
     ...DrawerExtraNavigationHelpers<ParamList>,
     ...
   };
 
   declare export type DrawerNavigationProp<
     ParamList: ParamListBase = ParamListBase,
     RouteName: $Keys<ParamList> = $Keys<ParamList>,
     Options: {...} = DrawerOptions,
     EventMap: EventMapBase = DrawerNavigationEventMap,
   > = {|
     ...$Exact<NavigationProp<
       ParamList,
       RouteName,
       DrawerNavigationState,
       Options,
       EventMap,
     >>,
     ...DrawerExtraNavigationHelpers<ParamList>,
   |};
 
   /**
    * Miscellaneous drawer exports
    */
 
   declare export type DrawerDescriptor = Descriptor<
     DrawerNavigationHelpers<>,
     DrawerOptions,
   >;
 
   declare export type DrawerNavigationBuilderResult = {|
     +state: DrawerNavigationState,
     +navigation: DrawerNavigationHelpers<>,
     +descriptors: {| +[key: string]: DrawerDescriptor |},
   |};
 
   declare export type DrawerNavigationConfig = {|
     +drawerContent?: DrawerNavigationBuilderResult => React$Node,
     +detachInactiveScreens?: boolean,
     +useLegacyImplementation?: boolean,
   |};
 
   declare export type ExtraDrawerNavigatorProps = {|
     ...$Exact<ExtraNavigatorPropsBase>,
     ...DrawerRouterOptions,
     ...DrawerNavigationConfig,
   |};
 
   declare export type DrawerNavigatorProps<
     NavHelpers: DrawerNavigationHelpers<> = DrawerNavigationHelpers<>,
   > = $Exact<NavigatorProps<
     DrawerOptions,
     ScreenListeners<DrawerNavigationState, DrawerNavigationEventMap>,
     RouteProp<>,
     NavHelpers,
     ExtraDrawerNavigatorProps,
   >>;
 
   /**
    * BaseNavigationContainer
    */
 
   declare export type BaseNavigationContainerProps = {|
     +children: React$Node,
     +initialState?: PossiblyStaleNavigationState,
     +onStateChange?: (state: ?PossiblyStaleNavigationState) => void,
     +independent?: boolean,
   |};
 
   declare export type UnsafeContainerActionEvent = {|
     +action: GenericNavigationAction,
     +noop: boolean,
   |};
 
   declare export type ContainerEventMap = {|
     ...GlobalEventMap<PossiblyStaleNavigationState>,
     +options: {|
       +data: {| +options: { +[key: string]: mixed, ... } |},
       +canPreventDefault: false,
     |},
     +__unsafe_action__: {|
       +data: UnsafeContainerActionEvent,
       +canPreventDefault: false,
     |},
   |};
 
   declare export type BaseNavigationContainerInterface = {|
     ...$Exact<NavigationHelpers<
       ParamListBase,
       PossiblyStaleNavigationState,
       ContainerEventMap,
     >>,
     +resetRoot: (state?: PossiblyStaleNavigationState) => void,
     +getRootState: () => NavigationState,
     +getCurrentRoute: () => RouteProp<> | void,
     +getCurrentOptions: () => Object | void,
     +isReady: () => boolean,
   |};
 
   declare export type BaseNavigationContainerInterfaceRef = {|
     ...BaseNavigationContainerInterface,
     +current: BaseNavigationContainerInterface | null,
   |};
 
   /**
    * State utils
    */
 
   declare export type GetStateFromPath = (
     path: string,
     options?: LinkingConfig,
   ) => PossiblyStaleNavigationState;
 
   declare export type GetPathFromState = (
     state?: ?PossiblyStaleNavigationState,
     options?: LinkingConfig,
   ) => string;
 
   declare export type GetFocusedRouteNameFromRoute =
     PossiblyStaleRoute<string> => ?string;
 
   /**
    * Linking
    */
 
   declare export type ScreenLinkingConfig = {|
     +path?: string,
     +exact?: boolean,
     +parse?: {| +[param: string]: string => mixed |},
     +stringify?: {| +[param: string]: mixed => string |},
     +screens?: ScreenLinkingConfigMap,
     +initialRouteName?: string,
   |};
 
   declare export type ScreenLinkingConfigMap = {|
     +[routeName: string]: string | ScreenLinkingConfig,
   |};
 
   declare export type LinkingConfig = {|
     +initialRouteName?: string,
     +screens: ScreenLinkingConfigMap,
   |};
 
   declare export type LinkingOptions = {|
     +enabled?: boolean,
     +prefixes: $ReadOnlyArray<string>,
     +config?: LinkingConfig,
     +getStateFromPath?: GetStateFromPath,
     +getPathFromState?: GetPathFromState,
   |};
 
   /**
    * NavigationContainer
    */
 
   declare export type Theme = {|
     +dark: boolean,
     +colors: {|
       +primary: string,
       +background: string,
       +card: string,
       +text: string,
       +border: string,
     |},
   |};
 
   declare export type NavigationContainerType = React$AbstractComponent<
     {|
       ...BaseNavigationContainerProps,
       +theme?: Theme,
       +linking?: LinkingOptions,
       +fallback?: React$Node,
       +onReady?: () => mixed,
     |},
     BaseNavigationContainerInterface,
   >;
 
   //---------------------------------------------------------------------------
   // SECTION 2: EXPORTED MODULE
   //---------------------------------------------------------------------------
 
   /**
    * Actions and routers
    */
 
   declare export var CommonActions: CommonActionsType;
   declare export var StackActions: StackActionsType;
   declare export var TabActions: TabActionsType;
   declare export var DrawerActions: DrawerActionsType;
 
   declare export var BaseRouter: RouterFactory<
     NavigationState,
     CommonAction,
     DefaultRouterOptions,
   >;
   declare export var StackRouter: RouterFactory<
     StackNavigationState,
     StackAction,
     StackRouterOptions,
   >;
   declare export var TabRouter: RouterFactory<
     TabNavigationState,
     TabAction,
     TabRouterOptions,
   >;
   declare export var DrawerRouter: RouterFactory<
     DrawerNavigationState,
     DrawerAction,
     DrawerRouterOptions,
   >;
 
   /**
    * Navigator utils
    */
 
   declare export var BaseNavigationContainer: React$AbstractComponent<
     BaseNavigationContainerProps,
     BaseNavigationContainerInterface,
   >;
 
   declare export var createNavigatorFactory: CreateNavigatorFactory;
 
   declare export var useNavigationBuilder: UseNavigationBuilder;
 
   declare export var NavigationHelpersContext: React$Context<
     ?NavigationHelpers<ParamListBase>,
   >;
 
   /**
    * Navigation prop / route accessors
    */
 
   declare export var NavigationContext: React$Context<
     ?NavigationProp<ParamListBase>,
   >;
   declare export function useNavigation(): NavigationProp<ParamListBase>;
 
   declare export var NavigationRouteContext: React$Context<?LeafRoute<>>;
   declare export function useRoute(): LeafRoute<>;
 
   declare export function useNavigationState<T>(
     selector: NavigationState => T,
   ): T;
 
   /**
    * Focus utils
    */
 
   declare export function useFocusEffect(
     effect: () => ?(() => mixed),
   ): void;
   declare export function useIsFocused(): boolean;
 
   /**
    * State utils
    */
 
   declare export var getStateFromPath: GetStateFromPath;
 
   declare export var getPathFromState: GetPathFromState;
 
   declare export function getActionFromState(
     state: PossiblyStaleNavigationState,
   ): ?NavigateAction;
 
   declare export var getFocusedRouteNameFromRoute: GetFocusedRouteNameFromRoute;
 
 }