/**
 * Microsoft Teams dialog payload definition.
 */
type OpenDialog = {
    /**
     * Teams app ID.
     */
    appId: string;
    /**
     * TaskInfo height.
     */
    height: number;
    /**
     * TaskInfo width.
     */
    width: number;
    /**
     * TaskInfo title.
     */
    title: string;
    /**
     * Bot app ID to receive the task/submit invoke result.
     */
    completionBotId?: string;
} & ({
    /**
     * TaskInfo URL.
     */
    url: string;
    card?: never;
} | {
    /**
     * TaskInfo card JSON string.
     */
    card: string;
    url?: never;
});
/**
 * Open a Microsoft Teams dialog.
 *
 * @param payload - Teams dialog payload.
 * @returns Microsoft Teams dialog deep link.
 * @example
 * openDialog({
 *   appId: 'fxxxxxxx-0xxx-4xxx-8xxx-cxxxxxxxxxxx',
 *   url: 'https://example.com/task',
 *   height: 600,
 *   width: 800,
 *   title: 'Example Task',
 * })
 * // => 'https://teams.microsoft.com/l/task/fxxxxxxx-0xxx-4xxx-8xxx-cxxxxxxxxxxx?url=https%3A%2F%2Fexample.com%2Ftask&height=600&width=800&title=Example%20Task'
 * @link https://learn.microsoft.com/en-us/microsoftteams/platform/concepts/build-and-test/deep-link-application#deep-link-to-open-a-dialog
 */
export declare function openDialog(payload: OpenDialog): string;
export {};