import type { AdmittedChatSession, PublishResult, RosterView } from "./session.js";
import { type ChatState, type Recipient, type SlashCommand } from "./view.js";
export declare function publish(session: AdmittedChatSession, to: Recipient, text: string): Promise<PublishResult>;
export declare const rosterLines: (state: ChatState) => (v: RosterView) => string[];
/**
 * Run one slash command and fold its result. `/quit` closes the session. `/history` reads the
 * current channel recipient; with no channel recipient it refuses locally with a usage hint.
 * `ack` lists delivery keys the caller acknowledges with `session.surfaced` after it has painted
 * the returned state; drained inbox items stay unacknowledged until then.
 */
export declare function runSlash(session: AdmittedChatSession, state: ChatState, command: SlashCommand): Promise<{
    state: ChatState;
    ack: readonly string[];
}>;
/** Close the session for a `leave` intent or `/quit`, and fold the report. A throw from close is an
 *  unknown retirement outcome, never a success. */
export declare function closeSession(session: AdmittedChatSession, state: ChatState): Promise<ChatState>;
/** Run a publish intent and fold its result. Never retried here. */
export declare function runPublish(session: AdmittedChatSession, state: ChatState, to: Recipient, text: string): Promise<ChatState>;
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