export declare const isString: (value: unknown) => value is string;
export declare const isNumber: (value: unknown) => value is number;
export declare const isBoolean: (value: unknown) => value is boolean;
/** A callable value. Callers narrow the signature via the owning type. */
export declare const isFunction: (value: unknown) => value is (...args: never[]) => void;
/** A non-null object (arrays included). Pair with `in` to read a property. */
export declare const isObject: (value: unknown) => value is object;
/** A thenable — anything `await` would unwrap. */
export declare const isPromiseLike: (value: unknown) => value is PromiseLike<void>;
//# sourceMappingURL=is.d.ts.map