import { CloudEnvironment, IToken, ITokenProvider } from '@microsoft/teams.api';
import { TokenManager } from './token-manager';
/**
 * The app's own token source, backed by the credentials the `App` was
 * configured with. Reach it as `app.tokenProvider` to acquire a token for
 * something the SDK does not call for you, such as an OpenTelemetry exporter.
 *
 * Unlike a consumer-supplied {@link ITokenProvider}, every capability is
 * implemented, so the agentic methods are required rather than optional.
 */
export interface IAppTokenProvider extends ITokenProvider {
    /**
     * Acquires an app-only (service-to-service) token.
     *
     * @param scope the scope to request the token for. Defaults to the configured
     * cloud environment's bot scope.
     * @param tenantId the tenant to acquire the token in. Defaults to the tenant
     * configured on the app's credentials.
     * @returns the token, or `null` when the app has no credentials configured.
     */
    getAppToken(scope?: string, tenantId?: string): Promise<IToken | null>;
    /**
     * Acquires a token carrying the requested user-backed agentic identity.
     *
     * @param scope the scope to request the token for. Defaults to the configured
     * cloud environment's agentic Bot API scope when `undefined`.
     * @param agenticAppId the agentic app ID that owns the user.
     * @param agenticUserId the agentic user ID to act as.
     * @param tenantId the tenant to acquire the token in. Defaults to the tenant
     * configured on the app's credentials.
     * @returns the token, or `null` when the app has no credentials configured.
     */
    getAgenticUserToken(scope: string | undefined, agenticAppId: string, agenticUserId: string, tenantId?: string): Promise<IToken | null>;
    /**
     * Acquires a token carrying the requested app-backed agentic identity.
     *
     * @param scope the scope to request the token for. Defaults to the configured
     * cloud environment's agentic Bot API scope when `undefined`.
     * @param agenticAppId the agentic app ID to act as.
     * @param tenantId the tenant to acquire the token in. Defaults to the tenant
     * configured on the app's credentials.
     * @returns the token, or `null` when the app has no credentials configured.
     */
    getAgenticAppToken(scope: string | undefined, agenticAppId: string, tenantId?: string): Promise<IToken | null>;
}
/** @internal */
export declare class AppTokenProvider implements IAppTokenProvider {
    private readonly tokenManager;
    private readonly cloud;
    constructor(tokenManager: TokenManager, cloud?: CloudEnvironment);
    getAppToken(scope?: string, tenantId?: string): Promise<IToken | null>;
    getAgenticUserToken(scope: string | undefined, agenticAppId: string, agenticUserId: string, tenantId?: string): Promise<IToken | null>;
    getAgenticAppToken(scope: string | undefined, agenticAppId: string, tenantId?: string): Promise<IToken | null>;
}