/**
 * Copyright 2025 Angus.Fenying <fenying@litert.org>
 *
 * 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
 *
 *   https://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.
 */
export declare enum EResponseCode {
    /**
     * API was called succeed
     */
    OK = 0,
    /**
     * The invoked API does not exist on the remote server.
     */
    API_NOT_FOUND = 1,
    /**
     * Some unexpected error happened.
     */
    SYSTEM_ERROR = 2,
    /**
     * Logical error happened inside the API handler.
     */
    FAILURE = 3,
    /**
     * The arguments inside the request is malformed.
     */
    MALFORMED_ARGUMENTS = 4
}
export interface IRequestPayloadV1 {
    ttl: number;
    api: string;
    args: unknown;
    cst: number;
    rid: string | number;
}
export interface IResponsePayloadV1 {
    /**
     * The time when server sent the response.
     */
    sst: number;
    /**
     * The time when server received the request.
     */
    srt: number;
    /**
     * The identity of the request.
     */
    rid: string | number;
    /**
     * The protocol status code of the response.
     */
    code: number;
    /**
     * The content of API response.
     */
    body: unknown;
}
/**
 * The default port for HTTP.
 */
export declare const DEFAULT_INSECURE_PORT = 80;
/**
 * The default port for HTTPS.
 */
export declare const DEFAULT_SECURE_PORT = 443;
export declare const DEFAULT_BACKLOG = 511;
export declare const DEFAULT_HOSTNAME = "localhost";
export declare const MAX_PACKET_SIZE: number;
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