import type { ResourceSummary } from "./types.js";
export declare const MAX_RESULT_CHARS: number;
export declare const MCP_APP_MIME = "text/html;profile=mcp-app";
/** True for interactive ext-apps resources: read_* returns their markup AND
 *  surfaces the combiner UI-host URL (which serves the live widget). */
export declare function isInteractiveResource(r: ResourceSummary): boolean;
/** Platform browser open — best-effort; failures are fine (the URL is in the
 *  result text anyway). Spawned detached so pi退出 doesn't kill the browser. */
export declare function openInBrowser(url: string): void;
/** The ui:// resource a tool result carries (port of the adapter's
 * getToolUiResourceUri): `_meta["ui/resourceUri"]` or `_meta.ui.resourceUri`. */
export declare function toolUiResourceUri(result: unknown): string | undefined;
/** MCP readResource result → guarded plain text: text contents pass through
 *  (pretty-printed when small JSON; with the shared size guard), images become
 *  markers, base64 blobs become byte notes. */
export declare function renderResourceResult(result: unknown): string;
//# sourceMappingURL=widget-support.d.ts.map