import { LayoutBlockProps } from './utils';
export interface CallProps extends LayoutBlockProps {
    children?: never;
    /** A string of registered call's ID. */
    callId: string;
}
/**
 * The `call` layout block to display your registered call to Slack.
 *
 * _This component is available only in `<Blocks>` container for messaging._
 *
 * Learn about [using the Calls API](https://api.slack.com/apis/calls) in
 * the document of Slack API.
 *
 * @return The partial JSON for `call` layout block
 */
export declare const Call: import("../../jsx-internals").BuiltInComponent<CallProps>;