/**
 * Custom error class for REST API errors.
 *
 * `body` may be a parsed JSON object (when the server returned valid JSON)
 * or a plain string (when JSON parsing failed), matching the Python SDK's
 * `SignalWireRestError` behavior.
 */
export declare class RestError extends Error {
    /** HTTP status code returned by the server (e.g. `404`, `500`). */
    readonly statusCode: number;
    /**
     * Parsed response body. An object when the server returned valid JSON,
     * otherwise the raw response text as a string.
     */
    readonly body: string | Record<string, unknown>;
    /** Fully-qualified URL that produced the error. */
    readonly url: string;
    /** HTTP method that produced the error (`GET`, `POST`, etc.). */
    readonly method: string;
    /**
     * @param statusCode - HTTP status code returned by the server.
     * @param body - Response body — an object if JSON-parseable, otherwise the
     *   raw response text.
     * @param url - Fully-qualified URL that produced the error.
     * @param method - HTTP method that produced the error. Defaults to `"GET"`.
     */
    constructor(statusCode: number, body: string | Record<string, unknown>, url: string, method?: string);
}
/** Alias matching the Python SDK class name. */
export { RestError as SignalWireRestError };