/**
 * @module
 * @hidden
 * @internal
 * Limited to Microsoft-internal use
 */
import * as joinedTeams from './joinedTeams';
/**
 * @hidden
 * Allows an app to get the configuration setting value
 *
 * @param key - The key for the config setting
 * @returns Promise that resolves with the value for the provided configuration setting or rejects with an error when the operation has completed
 *
 * @internal
 * Limited to Microsoft-internal use
 */
export declare function getConfigSetting(key: string): Promise<string>;
/**
 * @hidden
 *
 * Checks if teams.fullTrust capability is supported by the host
 * @returns boolean to represent whether the teams.fullTrust capability is supported
 *
 * @throws Error if {@linkcode app.initialize} has not successfully completed
 *
 * @internal
 * Limited to Microsoft-internal use
 */
export declare function isSupported(): boolean;
export { joinedTeams };