/**
 * Decorator that can be applied to a method or function to
 * profile it's execution time in milliseconds. Timing info
 * is output to the console.
 *
 * The environment variable `PROFILE_API` must be set to `1` for
 * profiling information to be recorded and output.
 */
export declare function timed(_: any, propertyKey: string, descriptor: PropertyDescriptor): void;