/**
 * `@bind` decorator: lazily binds a class prototype method to its instance (`this`).
 * - Lazy one-time binding performed on first instance access
 * - Access via prototype returns the original (unbound) function
 * - Caches bound function on the instance (no further getter overhead)
 * - Only applicable to plain prototype methods (not accessors / fields)
 * - Reassignment installs the new function as a normal writable value (no rebinding logic)
 * - Preserves original enumerability; descriptor remains configurable
 *
 * @throws TypeError when applied to a non-method
 */
export declare function bind<Fn extends Function>(target: object, propertyKey: string, descriptor: TypedPropertyDescriptor<Fn>): TypedPropertyDescriptor<Fn>;