import type { HttpMethods, ProxySettings } from "@azure/core-rest-pipeline";
import type { AbortSignalLike } from "@azure/abort-controller";
import type { HttpHeaders as HttpHeadersV2, PipelineRequest } from "@azure/core-rest-pipeline";
export declare function toPipelineRequest(webResource: WebResourceLike, options?: {
    originalRequest?: PipelineRequest;
}): PipelineRequest;
export declare function toWebResourceLike(request: PipelineRequest, options?: {
    createProxy?: boolean;
    originalRequest?: PipelineRequest;
}): WebResourceLike;
/**
 * Converts HttpHeaders from core-rest-pipeline to look like
 * HttpHeaders from core-http.
 * @param headers - HttpHeaders from core-rest-pipeline
 * @returns HttpHeaders as they looked in core-http
 */
export declare function toHttpHeadersLike(headers: HttpHeadersV2): HttpHeadersLike;
/**
 * An individual header within a HttpHeaders collection.
 */
export interface HttpHeader {
    /**
     * The name of the header.
     */
    name: string;
    /**
     * The value of the header.
     */
    value: string;
}
/**
 * A HttpHeaders collection represented as a simple JSON object.
 */
export type RawHttpHeaders = {
    [headerName: string]: string;
};
/**
 * A collection of HTTP header key/value pairs.
 */
export interface HttpHeadersLike {
    /**
     * Set a header in this collection with the provided name and value. The name is
     * case-insensitive.
     * @param headerName - The name of the header to set. This value is case-insensitive.
     * @param headerValue - The value of the header to set.
     */
    set(headerName: string, headerValue: string | number): void;
    /**
     * Get the header value for the provided header name, or undefined if no header exists in this
     * collection with the provided name.
     * @param headerName - The name of the header.
     */
    get(headerName: string): string | undefined;
    /**
     * Get whether or not this header collection contains a header entry for the provided header name.
     */
    contains(headerName: string): boolean;
    /**
     * Remove the header with the provided headerName. Return whether or not the header existed and
     * was removed.
     * @param headerName - The name of the header to remove.
     */
    remove(headerName: string): boolean;
    /**
     * Get the headers that are contained this collection as an object.
     */
    rawHeaders(): RawHttpHeaders;
    /**
     * Get the headers that are contained in this collection as an array.
     */
    headersArray(): HttpHeader[];
    /**
     * Get the header names that are contained in this collection.
     */
    headerNames(): string[];
    /**
     * Get the header values that are contained in this collection.
     */
    headerValues(): string[];
    /**
     * Create a deep clone/copy of this HttpHeaders collection.
     */
    clone(): HttpHeadersLike;
    /**
     * Get the JSON object representation of this HTTP header collection.
     * The result is the same as `rawHeaders()`.
     */
    toJson(options?: {
        preserveCase?: boolean;
    }): RawHttpHeaders;
}
/**
 * A collection of HTTP header key/value pairs.
 */
export declare class HttpHeaders implements HttpHeadersLike {
    private readonly _headersMap;
    constructor(rawHeaders?: RawHttpHeaders);
    /**
     * Set a header in this collection with the provided name and value. The name is
     * case-insensitive.
     * @param headerName - The name of the header to set. This value is case-insensitive.
     * @param headerValue - The value of the header to set.
     */
    set(headerName: string, headerValue: string | number): void;
    /**
     * Get the header value for the provided header name, or undefined if no header exists in this
     * collection with the provided name.
     * @param headerName - The name of the header.
     */
    get(headerName: string): string | undefined;
    /**
     * Get whether or not this header collection contains a header entry for the provided header name.
     */
    contains(headerName: string): boolean;
    /**
     * Remove the header with the provided headerName. Return whether or not the header existed and
     * was removed.
     * @param headerName - The name of the header to remove.
     */
    remove(headerName: string): boolean;
    /**
     * Get the headers that are contained this collection as an object.
     */
    rawHeaders(): RawHttpHeaders;
    /**
     * Get the headers that are contained in this collection as an array.
     */
    headersArray(): HttpHeader[];
    /**
     * Get the header names that are contained in this collection.
     */
    headerNames(): string[];
    /**
     * Get the header values that are contained in this collection.
     */
    headerValues(): string[];
    /**
     * Get the JSON object representation of this HTTP header collection.
     */
    toJson(options?: {
        preserveCase?: boolean;
    }): RawHttpHeaders;
    /**
     * Get the string representation of this HTTP header collection.
     */
    toString(): string;
    /**
     * Create a deep clone/copy of this HttpHeaders collection.
     */
    clone(): HttpHeaders;
}
/**
 * An interface compatible with NodeJS's `http.Agent`.
 * We want to avoid publicly re-exporting the actual interface,
 * since it might vary across runtime versions.
 */
export interface Agent {
    /**
     * Destroy any sockets that are currently in use by the agent.
     */
    destroy(): void;
    /**
     * For agents with keepAlive enabled, this sets the maximum number of sockets that will be left open in the free state.
     */
    maxFreeSockets: number;
    /**
     * Determines how many concurrent sockets the agent can have open per origin.
     */
    maxSockets: number;
    /**
     * An object which contains queues of requests that have not yet been assigned to sockets.
     */
    requests: unknown;
    /**
     * An object which contains arrays of sockets currently in use by the agent.
     */
    sockets: unknown;
}
/**
 * A description of a HTTP request to be made to a remote server.
 */
export interface WebResourceLike {
    /**
     * The URL being accessed by the request.
     */
    url: string;
    /**
     * The HTTP method to use when making the request.
     */
    method: HttpMethods;
    /**
     * The HTTP body contents of the request.
     */
    body?: any;
    /**
     * The HTTP headers to use when making the request.
     */
    headers: HttpHeadersLike;
    /**
     * Whether or not the body of the HttpOperationResponse should be treated as a stream.
     * @deprecated Use streamResponseStatusCodes property instead.
     */
    streamResponseBody?: boolean;
    /**
     * A list of response status codes whose corresponding HttpOperationResponse body should be treated as a stream.
     */
    streamResponseStatusCodes?: Set<number>;
    /**
     * Form data, used to build the request body.
     */
    formData?: any;
    /**
     * A query string represented as an object.
     */
    query?: {
        [key: string]: any;
    };
    /**
     * If credentials (cookies) should be sent along during an XHR.
     */
    withCredentials: boolean;
    /**
     * The number of milliseconds a request can take before automatically being terminated.
     * If the request is terminated, an `AbortError` is thrown.
     */
    timeout: number;
    /**
     * Proxy configuration.
     */
    proxySettings?: ProxySettings;
    /**
     * If the connection should be reused.
     */
    keepAlive?: boolean;
    /**
     * Whether or not to decompress response according to Accept-Encoding header (node-fetch only)
     */
    decompressResponse?: boolean;
    /**
     * A unique identifier for the request. Used for logging and tracing.
     */
    requestId: string;
    /**
     * Signal of an abort controller. Can be used to abort both sending a network request and waiting for a response.
     */
    abortSignal?: AbortSignalLike;
    /**
     * Callback which fires upon upload progress.
     */
    onUploadProgress?: (progress: TransferProgressEvent) => void;
    /** Callback which fires upon download progress. */
    onDownloadProgress?: (progress: TransferProgressEvent) => void;
    /**
     * NODEJS ONLY
     *
     * A Node-only option to provide a custom `http.Agent`/`https.Agent`.
     * NOTE: usually this should be one instance shared by multiple requests so that the underlying
     *       connection to the service can be reused.
     * Does nothing when running in the browser.
     */
    agent?: Agent;
    /**
     * Clone this request object.
     */
    clone(): WebResourceLike;
    /**
     * Validates that the required properties such as method, url, headers["Content-Type"],
     * headers["accept-language"] are defined. It will throw an error if one of the above
     * mentioned properties are not defined.
     * Note: this a no-op for compat purposes.
     */
    validateRequestProperties(): void;
    /**
     * This is a no-op for compat purposes and will throw if called.
     */
    prepare(options: unknown): WebResourceLike;
}
/**
 * Fired in response to upload or download progress.
 */
export type TransferProgressEvent = {
    /**
     * The number of bytes loaded so far.
     */
    loadedBytes: number;
};
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