/**
 * ### IsNumber
 * Check whether the value is a number type.
 */
export declare function isNumber(value: unknown): value is number;
/**
 * ### IsString
 * Check whether the value is a string type.
 */
export declare function isString(value: unknown): value is string;
/**
 * ### IsBoolean
 * Check whether the value is a boolean type.
 */
export declare function isBoolean(value: unknown): value is boolean;
//# sourceMappingURL=is.d.ts.map