import { Request, Response } from "lambda-api";
import { JsonPatch } from "../model/JsonPatch";
import { ILogger } from "../util/logging/ILogger";
/**
 * Base class for API controllers. Provides access to the
 * current HTTP context as protected fields, and convenience
 * method for applying JSON patches.
 */
export declare abstract class Controller {
    /**
     * Logger instance for this controller.
     */
    protected _logger: ILogger;
    /**
     * The current HTTP request context.
     */
    protected request: Request;
    /**
     * The current HTTP response context.
     */
    protected response: Response;
    setLogger(logger: ILogger): void;
    setRequest(request: Request): void;
    setResponse(response: Response): void;
    /**
     * Apply a set of JSON patch operations to an
     * object instance.
     *
     * @param T The type of object to be patched.
     * @param patch The operations to apply.
     * @param obj The object instance to apply operations to.
     */
    protected applyJsonPatch<T>(patch: JsonPatch, obj: T): T;
}