/// <reference types="react" />
import { NativeStackNavigatorProps } from '../native-stack/types';
export declare function isFabric(): boolean;
export declare function getShadowNodeWrapperAndTagFromRef(ref: React.Ref<NativeStackNavigatorProps> | React.Component): {
    shadowNodeWrapper: Record<string, unknown> | undefined;
    tag: number | undefined;
};
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