/**
 * Copyright 2018 Google Inc. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
import { ExpressHandler, Express, ExpressMetadata } from './express';
import { LambdaHandler, Lambda, LambdaMetadata } from './lambda';
import { JsonObject } from '../common';
export interface Frameworks {
    /** @public */
    [name: string]: Framework<Function>;
}
/** @public */
export interface Framework<THandler> {
    /** @public */
    handle(base: StandardHandler): THandler;
    /** @public */
    check(...args: any[]): boolean;
}
/** @public */
export interface OmniHandler extends StandardHandler, ExpressHandler, LambdaHandler {
    /** @public */
    (...args: any[]): any;
}
export interface FrameworkMetadata {
    /** @public */
    [name: string]: any;
}
export interface BuiltinFrameworkMetadata extends FrameworkMetadata {
    /** @public */
    express?: ExpressMetadata;
    /** @public */
    lambda?: LambdaMetadata;
}
export interface BuiltinFrameworks extends Frameworks {
    /**
     * Plug and play web framework support for express using body-parser
     * @public
     */
    express: Express;
    /**
     * Plug and play web framework support for lambda API gateway
     * @public
     */
    lambda: Lambda;
}
/** @hidden */
export declare const builtin: BuiltinFrameworks;
/** @public */
export interface StandardResponse {
    /** @public */
    status: number;
    /** @public */
    body: JsonObject;
    /** @public */
    headers?: Headers;
}
/** @public */
export interface Headers {
    /** @public */
    [header: string]: string | string[] | undefined;
}
/** @public */
export interface StandardHandler {
    /** @public */
    (
    /** @public */
    body: JsonObject, 
    /** @public */
    headers: Headers, 
    /** @public */
    metadata?: BuiltinFrameworkMetadata): Promise<StandardResponse>;
}