react-native-turbo-preferences/lib/typescript/src/hooks/usePreferenceString.d.ts

Modern TurboModule wrapper for iOS NSUserDefaults and Android SharedPreferences.

/**
 * Simple React hook for managing a string preference
 *
 * @param key - The preference key
 * @returns [value, setValue, contains, clear]
 *
 * @example
 * ```tsx
 * function MyComponent() {
 *   const [value, setValue, contains, clear] = usePreferenceString('username');
 *
 *   return (
 *     <View>
 *       <Text>Username: {value || 'Not set'}</Text>
 *       <Button title="Set to John" onPress={() => setValue('John')} />
 *       <Button title="Clear" onPress={clear} />
 *     </View>
 *   );
 * }
 * ```
 */
export declare function usePreferenceString(key: string): [
    string | null,
    (value: string) => Promise<void>,
    boolean,
    () => Promise<void>
];
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