import type { EventMapBase, NavigationState } from '@react-navigation/native';
import React from 'react';
import type { PickPartial } from '../types';
import { type ScreenProps } from '../useScreens';
export declare function useFilterScreenChildren(children: React.ReactNode, { isCustomNavigator, contextKey, }?: {
    isCustomNavigator?: boolean;
    /** Used for sending developer hints */
    contextKey?: string;
}): {
    screens: any[] | null | undefined;
    children: any[];
};
/** Return a navigator that automatically injects matched routes and renders nothing when there are no children. Return type with children prop optional */
export declare function withLayoutContext<TOptions extends object, T extends React.ComponentType<any>, State extends NavigationState, EventMap extends EventMapBase>(Nav: T, processor?: (options: ScreenProps<TOptions, State, EventMap>[]) => ScreenProps<TOptions, State, EventMap>[]): React.ForwardRefExoticComponent<React.PropsWithoutRef<PickPartial<React.ComponentProps<T>, 'children'>> & React.RefAttributes<unknown>> & {
    Screen: (props: ScreenProps<TOptions, State, EventMap>) => null;
};
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