import type { ClientToBroker } from '../../../core/runtime/broker-protocol.js';
import type { Picker } from './pickers.js';
/** One configured MCP server, joined against the adapter's tool cache. */
export interface McpServerRow {
    name: string;
    /** 'http' | 'sse' | 'stdio' — the config's `type`, or inferred (url → http, command → stdio). */
    transport: string;
    /** The connection target: the url (http) or the command line (stdio). */
    target: string;
    /** Cached tool count, or null when the server has no cache entry (never connected). */
    toolCount: number | null;
    /** True when a cache entry exists but its configHash no longer matches the
     *  current config — the adapter treats that cache as a miss, so the tool
     *  count is stale. Always false when toolCount is null. */
    stale: boolean;
}
/** Read + merge the adapter's config sources (see file header) and join the
 *  tool cache into display rows. Returns [] when nothing is configured. */
export declare function readMcpServers(home?: string, cwd?: string): McpServerRow[];
/** The hint shown when no source configures any server — lists the same
 *  sources readMcpServers actually reads (mirroring the adapter). */
export declare const MCP_EMPTY_STATE_HINT = "No MCP servers configured \u2014 add one to ~/.config/mcp/mcp.json, ~/.pi/agent/mcp.json, <cwd>/.mcp.json, or <cwd>/.pi/mcp.json";
/** Enter on a row: bridge the right adapter action to the engine via a
 *  `prompt` frame. Never connected → OAuth kick-off; connected before →
 *  reconnect, falling back to auth-start (the re-auth path — expired OAuth
 *  still shows as cached, so reconnect must always be reachable). */
export declare function startMcpServerAction(row: McpServerRow, send: (frame: ClientToBroker) => void, notify: (message: string) => void): void;
/** Build the /mcp status panel as an inline picker. Enter on any row acts:
 *  never-connected → OAuth kick-off, cached → reconnect/re-auth (see
 *  startMcpServerAction). Status reflects the CACHE — "cached" means the
 *  server connected before under this config, not that it is connected now. */
export declare function buildMcpPicker(rows: McpServerRow[], send: (frame: ClientToBroker) => void, close: () => void, notify: (message: string) => void): Picker;