/**
 * Managed Slack Events HTTP handler + agent runner.
 *
 * Verifies Slack signatures, normalizes Phase 1 events, acknowledges within the
 * Slack 3s window, then invokes the graph over a trusted loopback and posts an
 * auto-reply when needed.
 */
import { InMemoryChannelStore } from "../store.js";
import type { RequiredSlackChannelConfig } from "./index.js";
import { type SlackInstallationContext } from "./normalize.js";
import { type IdentityLinkStore } from "../../identity/slack/links.js";
import { invokeIngressAgent, type SourceThreadExistsInput } from "../../ingress/index.js";
export { ingressSourceThreadExists, invokeIngressAgent, stableThreadId, type InvokeIngressAgentInput, type InvokeIngressAgentResult, type SourceThreadExistsInput, } from "../../ingress/index.js";
/** Env vars for Phase 1 single-workspace Slack install. */
export declare const SLACK_SIGNING_SECRET_ENV = "SLACK_SIGNING_SECRET";
export declare const SLACK_API_APP_ID_ENV = "SLACK_API_APP_ID";
export declare const SLACK_TEAM_ID_ENV = "SLACK_TEAM_ID";
export declare const SLACK_BOT_USER_ID_ENV = "SLACK_BOT_USER_ID";
export interface SlackChannelHttpConfig {
    name: string;
    config: RequiredSlackChannelConfig;
    /** Override store (tests). */
    store?: InMemoryChannelStore;
    /** Override background scheduling (tests can run inline). */
    schedule?: (work: () => Promise<void>) => void;
    /** Override agent invoke (tests). */
    invokeAgent?: typeof invokeIngressAgent;
    /** Override installation/env resolution (tests). */
    installation?: SlackInstallationContext;
    signingSecret?: string;
    botToken?: string;
    deploymentId?: string;
    assistantId?: string;
    /**
     * Pre-read raw body. Prefer this when the HTTP framework may have already
     * consumed `request` (the Hono mount passes `await c.req.text()`).
     */
    rawBody?: string | Uint8Array;
    /** Override identity link store (tests). */
    linkStore?: IdentityLinkStore;
    /**
     * Override involvement check for `thread_reply` (tests). Defaults to probing
     * whether an MDA thread already exists for the source-thread key under the
     * resolved (post-link) actor.
     */
    sourceThreadExists?: (input: SourceThreadExistsInput) => Promise<boolean>;
}
/**
 * Handle `POST /channels/{name}/events` for a Slack Events API request.
 *
 * Verifies signatures before parsing normal events. Until both Slack
 * credentials are configured, only the inert URL-verification challenge is
 * accepted.
 */
export declare function handleSlackEventsRequest(request: Request, channel: SlackChannelHttpConfig): Promise<Response>;
/**
 * Build a short user-facing Slack failure message.
 *
 * Opaque by default; only allowlisted {@link ChannelError} codes get a fixed
 * safe string. Raw exception text is never posted to the channel.
 *
 * Exported for unit tests.
 */
export declare function formatSlackFailureReply(error: unknown): string;
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