/**
 * mock-xmlhttprequest v8.4.1
 * (c) 2025 Bertrand Guay-Paquet
 * @license MIT
 */

export declare function getBodyByteSize(body?: unknown): number;
/**
 * https://datatracker.ietf.org/doc/html/rfc7230#section-3.2
 * @param headerName Header name
 * @returns Whether headerName is a valid header name
 */
export declare function isHeaderName(headerName?: string): boolean;
/**
 * https://fetch.spec.whatwg.org/#header-value
 * @param headerValue Header value
 * @returns Whether headerValue is a valid header value
 */
export declare function isHeaderValue(headerValue: string): boolean;
/**
 * See https://fetch.spec.whatwg.org/#forbidden-header-name
 *
 * @param name Header name
 * @returns Whether the request header name is forbidden for XMLHttpRequest
 */
export declare function isRequestHeaderForbidden(name: string): boolean;
/**
 * See https://datatracker.ietf.org/doc/html/rfc7230#section-3.1.1
 * @param method Method name
 * @returns Whether method is a valid request method
 */
export declare function isRequestMethod(method?: string): boolean;
/**
 * See https://fetch.spec.whatwg.org/#forbidden-method
 *
 * @param method Method name
 * @returns Whether the request method is forbidden for XMLHttpRequest
 */
export declare function isRequestMethodForbidden(method: string): boolean;
export declare const upperCaseMethods: string[];
/**
 * See https://fetch.spec.whatwg.org/#concept-method-normalize
 *
 * @param method HTTP method name
 * @returns Normalized method name
 */
export declare function normalizeHTTPMethodName(method: string): string;
/**
 * @param status HTTP status code
 * @returns Status text
 */
export declare function getStatusText(status: number): string;