import { type Session } from "@opengeni/contracts";
import type { SlackHomeBlock } from "./slack-bot.js";
export type SlackAppHomeOpenedEvent = {
    eventId: string;
    slackTeamId: string;
    slackUserId: string;
    viewHash: string | null;
};
export declare function slackAppHomeOpenedEvent(payload: unknown): SlackAppHomeOpenedEvent | null;
/** URL-only App Home buttons are acknowledged but never become Slack commands. */
export declare function isSlackAppHomeLinkAction(payload: unknown): boolean;
export declare function buildSlackAppHomeBlocks(input: {
    sessions: readonly Session[];
    workspaceUrl: string | null;
    sessionUrl: (sessionId: string) => string | null;
    nowMs?: number;
}): SlackHomeBlock[];
export declare function buildSlackAppHomeAccessBlocks(input: {
    title: string;
    message: string;
    actionLabel?: string;
    actionUrl?: string | null;
}): SlackHomeBlock[];
export declare function escapeSlackMrkdwn(value: string): string;