/**
 * @hidden
 * Module to interact with the Teams Contextual Search pane.
 *
 * @internal
 * Limited to Microsoft-internal use
 *
 * @module
 */
/**
 * Parameters used when opening the contextual search pane.
 *
 * @hidden
 * @internal
 * Limited to Microsoft-internal use
 */
export interface OpenContextualSearchRequest {
    /**
     * Identifies the entry point that triggered contextual search.
     * This value may be used by the host for telemetry.
     */
    triggerSource?: string;
}
/**
 * Handler invoked when the contextual search pane becomes visible.
 *
 * @hidden
 * @internal
 * Limited to Microsoft-internal use
 */
export type ContextualSearchOpenedHandler = () => void;
/**
 * Handler invoked when the contextual search pane is closed.
 *
 * @hidden
 * @internal
 * Limited to Microsoft-internal use
 */
export type ContextualSearchClosedHandler = () => void;
/**
 * Opens the contextual search pane.
 *
 * The returned promise resolves when the host has processed the request.
 *
 * @param request - Optional parameters for opening contextual search.
 * @returns Promise resolved when the host processes the request.
 *
 * @hidden
 * @internal
 * Limited to Microsoft-internal use
 */
export declare function openContextualSearch(request?: OpenContextualSearchRequest): Promise<void>;
/**
 * Closes the contextual search pane.
 *
 * The returned promise resolves when the host has processed the request.
 *
 * @returns Promise resolved when the host processes the request.
 *
 * @hidden
 * @internal
 * Limited to Microsoft-internal use
 */
export declare function closeContextualSearch(): Promise<void>;
/**
 * Registers a handler invoked when the contextual search pane becomes visible.
 *
 * This includes pane visibility changes initiated by host entry points such as
 * keyboard shortcuts or autosuggest.
 *
 * @param handler - Handler invoked when contextual search becomes visible.
 *
 * @hidden
 * @internal
 * Limited to Microsoft-internal use
 */
export declare function registerOnContextualSearchOpenedHandler(handler: ContextualSearchOpenedHandler): void;
/**
 * Registers a handler invoked when the contextual search pane is closed.
 *
 * @param handler - Handler invoked when contextual search is closed.
 *
 * @hidden
 * @internal
 * Limited to Microsoft-internal use
 */
export declare function registerOnContextualSearchClosedHandler(handler: ContextualSearchClosedHandler): void;
/**
 * Checks whether the contextual search capability is supported by the host.
 *
 * @returns Whether contextual search is supported.
 *
 * @throws Error if {@linkcode app.initialize} has not completed successfully.
 *
 * @hidden
 * @internal
 * Limited to Microsoft-internal use
 */
export declare function isSupported(): boolean;