// Copyright (c) Microsoft Corporation.
// Licensed under the MIT license.
/**
 * A set of constants used internally when processing requests.
 */
export const Constants = {
    /**
     * The core-http version
     */
    coreHttpVersion: "2.2.4",
    /**
     * Specifies HTTP.
     */
    HTTP: "http:",
    /**
     * Specifies HTTPS.
     */
    HTTPS: "https:",
    /**
     * Specifies HTTP Proxy.
     */
    HTTP_PROXY: "HTTP_PROXY",
    /**
     * Specifies HTTPS Proxy.
     */
    HTTPS_PROXY: "HTTPS_PROXY",
    /**
     * Specifies NO Proxy.
     */
    NO_PROXY: "NO_PROXY",
    /**
     * Specifies ALL Proxy.
     */
    ALL_PROXY: "ALL_PROXY",
    HttpConstants: {
        /**
         * Http Verbs
         */
        HttpVerbs: {
            PUT: "PUT",
            GET: "GET",
            DELETE: "DELETE",
            POST: "POST",
            MERGE: "MERGE",
            HEAD: "HEAD",
            PATCH: "PATCH",
        },
        StatusCodes: {
            TooManyRequests: 429,
            ServiceUnavailable: 503,
        },
    },
    /**
     * Defines constants for use with HTTP headers.
     */
    HeaderConstants: {
        /**
         * The Authorization header.
         */
        AUTHORIZATION: "authorization",
        AUTHORIZATION_SCHEME: "Bearer",
        /**
         * The Retry-After response-header field can be used with a 503 (Service
         * Unavailable) or 349 (Too Many Requests) responses to indicate how long
         * the service is expected to be unavailable to the requesting client.
         */
        RETRY_AFTER: "Retry-After",
        /**
         * The UserAgent header.
         */
        USER_AGENT: "User-Agent",
    },
};
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