import type { Future, Handler, NextFn } from "@warp-drive/core/request";
import type { RequestContext, StructuredDataDocument } from "@warp-drive/core/types/request";
/**
* If CheckFn returns true, the wrapped handler will be used.
* If CheckFn returns false, the wrapped handler will be skipped.
*/
type CheckFn = (context: RequestContext) => boolean;
/**
*
* @group Handlers
* @public
*/
export declare class Gate implements Handler {
	handler: Handler;
	checkFn: CheckFn;
	constructor(handler: Handler, checkFn: CheckFn);
	request<T = unknown>(context: RequestContext, next: NextFn<T>): Promise<T | StructuredDataDocument<T>> | Future<T>;
}
export {};