import type { HttpClient } from '../HttpClient.js';
/**
 * Abstract base class for all REST resources.
 *
 * Every namespace resource (e.g. {@link PhoneNumbersResource}, {@link VideoRooms})
 * extends this class to get a typed reference to the shared {@link HttpClient}
 * and a small path-building helper. Not exported for direct use — subclass it.
 */
export declare abstract class BaseResource {
    protected readonly _http: HttpClient;
    protected readonly _basePath: string;
    /**
     * @param http - Shared HTTP client to issue requests through.
     * @param basePath - Absolute path prefix (e.g. `'/api/relay/rest/phone_numbers'`).
     */
    constructor(http: HttpClient, basePath: string);
    /**
     * Build a sub-resource path by joining parts onto the base path.
     *
     * @param parts - String or numeric path segments to append.
     * @returns The joined path (no trailing slash).
     */
    protected _path(...parts: (string | number)[]): string;
}