import type { AgentSession } from "@earendil-works/pi-coding-agent";
export type FormatDcpStatsOptions = {
    /** Must contain the complete ACTIVE branch, never a presentation cursor. */
    branch?: readonly unknown[];
};
/** On-demand TUI path: read the full branch asynchronously without hydrating
 * the lazy presentation manager or blocking terminal input. ACP supplies a
 * complete branch directly to the synchronous formatter instead. */
export declare function loadDcpStatsToast(session: AgentSession): Promise<string>;
/** TUI and ACP use the same passive report as /dcp stats. Opening this view
 * never re-runs pruning, mutates history, or launches a model. */
export declare function formatDcpStatsToast(session: AgentSession, options?: FormatDcpStatsOptions): string;