export type BooleanInput = 'false' | 'true' | boolean | undefined;
/**
 * Transforms a value (typically a string) to a boolean.
 * Intended to be used as a transform function of an input.
 *
 *  @usageNotes
 *  ```typescript
 *  @Input({ transform: booleanAttribute }) status?: boolean;
 *  ```
 * @param {BooleanInput} value Value to be transformed.
 *
 * @publicApi
 */
export declare function inputToBoolean(value: BooleanInput): boolean;