import { AsyncLocalStorage } from 'node:async_hooks';
import { WebClient } from './_slack-web-api.js';
import { BaseFormatConverter, Root, AdapterPostableMessage, CardElement, Logger, Adapter, ChatInstance, UserInfo, WebhookOptions, OptionsLoadResult, ModalResponse, ModalElement, LinkPreview, Message, Attachment, RawMessage, EphemeralMessage, ScheduledMessage, FileUpload, PlanModel, PlanContent, EmojiValue, StreamChunk, StreamOptions, FetchOptions, FetchResult, ThreadInfo, ChannelVisibility, ListThreadsOptions, ListThreadsResult, ChannelInfo, FormattedContent } from '#compiled/chat/index.js';
export { EncryptedTokenData, decodeKey } from './_chat-adapter-shared.js';

/**
 * Slack format conversion.
 *
 * Outgoing: Slack now natively renders markdown via the `markdown_text` field
 * on chat.postMessage / postEphemeral / update / scheduleMessage. We pass
 * markdown through there and let Slack handle it. Interactive `response_url`
 * payloads do not accept `markdown_text`, so those still use Slack mrkdwn text.
 *
 * Incoming: Slack `message` events still deliver text as mrkdwn
 * (`*bold*`, `<@U123>`, `<url|text>`), so the toAst parser stays.
 */

type SlackTextPayload = {
    text: string;
} | {
    markdown_text: string;
};
declare class SlackFormatConverter extends BaseFormatConverter {
    /**
     * Render an AST to standard markdown. Slack accepts this directly via
     * `markdown_text` and the `markdown` block.
     */
    fromAst(ast: Root): string;
    /**
     * Parse Slack mrkdwn into an AST. Used for incoming `message` events.
     */
    toAst(mrkdwn: string): Root;
    /**
     * Build the Slack API payload fields for a message.
     *
     * - `string` / `{ raw }` → `{ text }` (plain — preserves literal `*`, `_`, etc.)
     * - `{ markdown }` / `{ ast }` → `{ markdown_text }` (Slack renders natively)
     *
     * Bare `@user` mentions are rewritten to `<@user>` and `:emoji:` placeholders
     * are normalized for Slack in all branches.
     *
     * Note: `markdown_text` has a 12,000 character limit; `text` allows ~40,000.
     * Note: `markdown_text` is mutually exclusive with `text` and `blocks`.
     */
    toSlackPayload(message: AdapterPostableMessage): SlackTextPayload;
    /**
     * Build text for Slack response_url payloads.
     *
     * Slack rejects `markdown_text` on response_url (`no_text`), so markdown/AST
     * messages are rendered to Slack's legacy mrkdwn format for this surface.
     */
    toResponseUrlText(message: AdapterPostableMessage): string;
    private finalize;
    private astToMrkdwn;
    private nodeToMrkdwn;
}

/**
 * Slack Block Kit converter for cross-platform cards.
 *
 * Converts CardElement to Slack Block Kit blocks.
 * @see https://api.slack.com/block-kit
 */

interface SlackBlock {
    block_id?: string;
    type: string;
    [key: string]: unknown;
}
/**
 * Convert a CardElement to Slack Block Kit blocks.
 */
declare function cardToBlockKit(card: CardElement): SlackBlock[];
/**
 * Generate fallback text from a card element.
 * Used when blocks aren't supported or for notifications.
 */
declare function cardToFallbackText(card: CardElement): string;

/**
 * Slack modal (view) converter.
 * Converts ModalElement to Slack Block Kit view format.
 */

interface SlackView {
    blocks: SlackBlock[];
    callback_id: string;
    close?: {
        type: "plain_text";
        text: string;
    };
    notify_on_close?: boolean;
    private_metadata?: string;
    submit?: {
        type: "plain_text";
        text: string;
    };
    title: {
        type: "plain_text";
        text: string;
    };
    type: "modal";
}
interface SlackModalResponse {
    errors?: Record<string, string>;
    response_action?: "errors" | "update" | "push" | "clear";
    view?: SlackView;
}

/**
 * Slack adapter types.
 */

type SlackAdapterMode = "webhook" | "socket";
/**
 * Bot token configuration. Can be a static string, or a function that returns
 * a token (optionally asynchronously). The function is invoked each time a
 * token is needed, enabling rotation or lazy retrieval from a secret manager.
 */
type SlackBotToken = string | (() => string | Promise<string>);
/** Data stored per Slack workspace installation */
interface SlackInstallation {
    botToken: string;
    botUserId?: string;
    teamName?: string;
}
interface SlackAdapterConfig {
    /** Override the Slack API base URL (e.g. "https://slack-gov.com/api/" for GovSlack). Defaults to SLACK_API_URL env var. */
    apiUrl?: string;
    /** App-level token (xapp-...). Required for socket mode. */
    appToken?: string;
    /**
     * Bot token (xoxb-...). Required for single-workspace mode. Omit for multi-workspace.
     * May be a string, or a function returning a string or Promise<string> (called
     * on each use to support rotation or deferred resolution).
     */
    botToken?: SlackBotToken;
    /** Bot user ID (will be fetched if not provided) */
    botUserId?: string;
    /** Slack app client ID (required for OAuth / multi-workspace) */
    clientId?: string;
    /** Slack app client secret (required for OAuth / multi-workspace) */
    clientSecret?: string;
    /**
     * Base64-encoded 32-byte AES-256-GCM encryption key.
     * If provided, bot tokens stored via setInstallation() will be encrypted at rest.
     */
    encryptionKey?: string;
    /**
     * Prefix for the state key used to store workspace installations.
     * Defaults to `slack:installation`. The full key will be `{prefix}:{teamId}`.
     */
    installationKeyPrefix?: string;
    /**
     * External installation provider for multi-workspace apps using external
     * token management (e.g., Vercel Connect). When set, the adapter bypasses
     * internal StateAdapter storage for token lookups.
     *
     * For Enterprise Grid org-wide installs, `installationId` will be the
     * enterprise ID; otherwise it will be the team ID.
     */
    installationProvider?: {
        getInstallation: (installationId: string, isEnterpriseInstall: boolean) => Promise<SlackInstallation | null>;
    };
    /** Logger instance for error reporting. Defaults to ConsoleLogger. */
    logger?: Logger;
    /** Connection mode: "webhook" (default) or "socket" */
    mode?: SlackAdapterMode;
    /** Signing secret for webhook verification. Defaults to SLACK_SIGNING_SECRET env var. */
    signingSecret?: string;
    /** Shared secret for authenticating forwarded socket mode events. Auto-detected from SLACK_SOCKET_FORWARDING_SECRET. Falls back to appToken if not set. */
    socketForwardingSecret?: string;
    /** Override bot username (optional) */
    userName?: string;
    /**
     * Custom webhook verifier. Used in place of `signingSecret`.
     * Receives the incoming `Request` and the raw body text already
     * read by the adapter. To reject the request, either
     * return a falsy value (sync or async) or throw/reject; the adapter will
     * respond with `401 Invalid signature`. Any truthy return value is treated
     * as a successful verification. If a string is returned, it replaces the
     * raw body for downstream parsing — useful when the verifier needs to
     * canonicalize or substitute the verified payload.
     *
     * `webhookVerifier` takes precedence over `signingSecret` and the
     * `SLACK_SIGNING_SECRET` env var; when it is set, those are ignored.
     *
     * SECURITY: When this is used in place of `signingSecret`, the built-in
     * Slack timestamp tolerance check is NOT performed. Implementations are
     * responsible for verifying the `x-slack-request-timestamp` header (or an
     * equivalent freshness signal) to prevent replay of captured signed
     * requests.
     */
    webhookVerifier?: (request: Request, body: string) => unknown | Promise<unknown>;
}

/** Envelope for events forwarded from a socket mode listener via HTTP POST */
interface SlackForwardedSocketEvent {
    body: Record<string, unknown>;
    eventType: string;
    timestamp: number;
    type: "socket_event";
}
interface SlackOAuthCallbackOptions {
    /** Redirect URI to send to Slack during the OAuth code exchange. */
    redirectUri?: string;
}
/** Slack-specific thread ID data */
interface SlackThreadId {
    channel: string;
    threadTs: string;
}
/** Slack event payload (raw message format) */
interface SlackEvent {
    /** Legacy attachments (unfurl previews, app unfurls, etc.) */
    attachments?: Array<{
        from_url?: string;
        image_url?: string;
        is_msg_unfurl?: boolean;
        original_url?: string;
        service_icon?: string;
        service_name?: string;
        text?: string;
        thumb_url?: string;
        title?: string;
        title_link?: string;
    }>;
    /** Rich text blocks containing structured elements (links, mentions, etc.) */
    blocks?: Array<{
        type: string;
        elements?: Array<{
            type: string;
            elements?: Array<{
                type: string;
                url?: string;
                text?: string;
            }>;
        }>;
    }>;
    bot_id?: string;
    channel?: string;
    /** Channel type: "channel", "group", "mpim", or "im" (DM) */
    channel_type?: string;
    edited?: {
        ts: string;
    };
    files?: Array<{
        id?: string;
        mimetype?: string;
        url_private?: string;
        name?: string;
        size?: number;
        original_w?: number;
        original_h?: number;
    }>;
    /** Hidden flag on message_changed events (true for unfurl-only updates) */
    hidden?: boolean;
    /** Timestamp of the latest reply (present on thread parent messages) */
    latest_reply?: string;
    /** Inner message on message_changed events */
    message?: SlackEvent;
    /** Number of replies in the thread (present on thread parent messages) */
    reply_count?: number;
    subtype?: string;
    team?: string;
    team_id?: string;
    text?: string;
    thread_ts?: string;
    ts?: string;
    type: string;
    user?: string;
    username?: string;
}
/** Slack reaction event payload */
interface SlackReactionEvent {
    event_ts: string;
    item: {
        type: string;
        channel: string;
        ts: string;
    };
    item_user?: string;
    reaction: string;
    type: "reaction_added" | "reaction_removed";
    user: string;
}
/** Slack assistant_thread_started event payload */
interface SlackAssistantThreadStartedEvent {
    assistant_thread: {
        user_id: string;
        channel_id: string;
        thread_ts: string;
        context: {
            channel_id?: string;
            team_id?: string;
            enterprise_id?: string;
            thread_entry_point?: string;
            force_search?: boolean;
        };
    };
    event_ts: string;
    type: "assistant_thread_started";
}
/** Slack assistant_thread_context_changed event payload */
interface SlackAssistantContextChangedEvent {
    assistant_thread: {
        user_id: string;
        channel_id: string;
        thread_ts: string;
        context: {
            channel_id?: string;
            team_id?: string;
            enterprise_id?: string;
            thread_entry_point?: string;
            force_search?: boolean;
        };
    };
    event_ts: string;
    type: "assistant_thread_context_changed";
}
/** Slack app_home_opened event payload */
interface SlackAppHomeOpenedEvent {
    channel: string;
    event_ts: string;
    tab: string;
    type: "app_home_opened";
    user: string;
}
/** Slack member_joined_channel event payload */
interface SlackMemberJoinedChannelEvent {
    channel: string;
    channel_type?: string;
    event_ts: string;
    inviter?: string;
    team?: string;
    type: "member_joined_channel";
    user: string;
}
/** Slack user_change event payload */
interface SlackUserChangeEvent {
    event_ts: string;
    type: "user_change";
    user: {
        id: string;
        name?: string;
        real_name?: string;
        profile?: {
            display_name?: string;
            real_name?: string;
        };
    };
}
/** Slack webhook payload envelope */
interface SlackWebhookPayload {
    challenge?: string;
    /** Enterprise ID for Enterprise Grid org-wide installs */
    enterprise_id?: string;
    event?: SlackEvent | SlackReactionEvent | SlackAssistantThreadStartedEvent | SlackAssistantContextChangedEvent | SlackAppHomeOpenedEvent | SlackMemberJoinedChannelEvent | SlackUserChangeEvent;
    event_id?: string;
    event_time?: number;
    /** Whether this is an Enterprise Grid org-wide install */
    is_enterprise_install?: boolean;
    /** Whether this event occurred in an externally shared channel (Slack Connect) */
    is_ext_shared_channel?: boolean;
    team_id?: string;
    type: string;
}
/** Slack interactive payload (block_actions) for button clicks */
interface SlackBlockActionsPayload {
    actions: Array<{
        type: string;
        action_id: string;
        block_id?: string;
        value?: string;
        action_ts?: string;
        selected_option?: {
            value: string;
        };
    }>;
    channel: {
        id: string;
        name: string;
    };
    container: {
        type: string;
        message_ts: string;
        channel_id: string;
        is_ephemeral?: boolean;
        thread_ts?: string;
    };
    message: {
        ts: string;
        thread_ts?: string;
    };
    response_url?: string;
    trigger_id: string;
    type: "block_actions";
    user: {
        id: string;
        username: string;
        name?: string;
    };
}
interface SlackViewSubmissionPayload {
    trigger_id: string;
    type: "view_submission";
    user: {
        id: string;
        username: string;
        name?: string;
    };
    view: {
        id: string;
        callback_id: string;
        private_metadata?: string;
        state: {
            values: Record<string, Record<string, {
                value?: string;
                selected_option?: {
                    value: string;
                };
            }>>;
        };
    };
}
interface SlackViewClosedPayload {
    type: "view_closed";
    user: {
        id: string;
        username: string;
        name?: string;
    };
    view: {
        id: string;
        callback_id: string;
        private_metadata?: string;
    };
}
interface SlackBlockSuggestionPayload {
    action_id: string;
    block_id: string;
    team?: {
        id: string;
    };
    type: "block_suggestion";
    user: {
        id: string;
        username?: string;
        name?: string;
    };
    value?: string;
}
type SlackInteractivePayload = SlackBlockActionsPayload | SlackBlockSuggestionPayload | SlackViewSubmissionPayload | SlackViewClosedPayload;
/** Cached user info */
interface CachedUser {
    avatarUrl?: string;
    displayName: string;
    email?: string;
    isBot?: boolean;
    realName: string;
}
declare class SlackAdapter implements Adapter<SlackThreadId, unknown> {
    readonly name = "slack";
    readonly userName: string;
    protected readonly _client: WebClient;
    protected readonly tokenClientCache: Map<string, WebClient>;
    protected readonly slackApiUrl: string | undefined;
    protected readonly signingSecret: string | undefined;
    protected readonly webhookVerifier: ((request: Request, body: string) => unknown | Promise<unknown>) | undefined;
    protected readonly defaultBotTokenProvider: (() => string | Promise<string>) | undefined;
    protected chat: ChatInstance | null;
    protected readonly logger: Logger;
    protected _botUserId: string | null;
    protected _botId: string | null;
    protected readonly formatConverter: SlackFormatConverter;
    protected static readonly USER_CACHE_TTL_MS: number;
    protected static readonly CHANNEL_CACHE_TTL_MS: number;
    protected static readonly REVERSE_INDEX_TTL_MS: number;
    /**
     * Cache of channel IDs known to be external/shared (Slack Connect).
     * Populated from `is_ext_shared_channel` in incoming webhook payloads.
     */
    private readonly _externalChannels;
    protected readonly appToken: string | undefined;
    protected readonly mode: SlackAdapterMode;
    protected readonly socketForwardingSecret: string | undefined;
    private socketClient;
    protected readonly clientId: string | undefined;
    protected readonly clientSecret: string | undefined;
    protected readonly encryptionKey: Buffer | undefined;
    protected readonly installationKeyPrefix: string;
    protected readonly installationProvider: SlackAdapterConfig["installationProvider"];
    protected readonly requestContext: AsyncLocalStorage<{
        token: string;
        botUserId?: string;
        isExtSharedChannel?: boolean;
        enterpriseId?: string;
        isEnterpriseInstall?: boolean;
    }>;
    /** Bot user ID (e.g., U_BOT_123) used for mention detection */
    get botUserId(): string | undefined;
    get isSocketMode(): boolean;
    /**
     * Direct access to a [`WebClient`](https://github.com/slackapi/node-slack-sdk/tree/main/packages/web-api)
     * from `@slack/web-api` bound to the bot token for the current request
     * context (multi-workspace) or the configured default token
     * (single-workspace). Use for any Slack Web API call not covered by the
     * SDK's high-level methods — for example
     * `adapter.webClient.pins.add(...)` or
     * `adapter.webClient.usergroups.list(...)`.
     *
     * Resolution order:
     *   1. Token from the current `requestContext` (set during webhook
     *      handling, or by `withBotToken()`).
     *   2. The default bot token, when configured as a static string or
     *      synchronous resolver function.
     *
     * Throws `AuthenticationError` if neither is available — typical causes
     * are calling `.webClient` outside any webhook/`withBotToken()` context
     * in multi-workspace mode, or having configured `botToken` as an async
     * function. In the latter case wrap the work in
     * `adapter.withBotToken(token, () => adapter.webClient...)`.
     *
     * @example
     * ```ts
     * const slack = bot.getAdapter("slack").webClient;
     * await slack.pins.add({
     *   channel: "C123ABC",
     *   timestamp: "1234567890.123456",
     * });
     * ```
     */
    get webClient(): WebClient;
    /**
     * @deprecated Use {@link SlackAdapter.webClient | `webClient`} instead.
     * This alias is preserved for backwards compatibility and will be
     * removed in a future major release.
     */
    get client(): WebClient;
    private getClientForToken;
    constructor(config?: SlackAdapterConfig);
    /**
     * Get the current bot token for API calls.
     * Checks request context (multi-workspace) → default token provider
     * (single-workspace) → throws.
     */
    protected getToken(): Promise<string>;
    /**
     * Add the current token to API call options.
     * Workaround for Slack WebClient types not including `token` in per-method args.
     */
    protected withToken<T extends Record<string, any>>(options: T): Promise<T & {
        token: string;
    }>;
    initialize(chat: ChatInstance): Promise<void>;
    protected installationKey(teamId: string): string;
    /**
     * Save a Slack workspace installation.
     * Call this from your OAuth callback route after a successful installation.
     */
    setInstallation(teamId: string, installation: SlackInstallation): Promise<void>;
    /**
     * Retrieve a Slack workspace installation.
     */
    getInstallation(teamId: string): Promise<SlackInstallation | null>;
    /**
     * Handle the Slack OAuth V2 callback.
     * Accepts the incoming request, extracts the authorization code,
     * exchanges it for tokens, and saves the installation.
     */
    handleOAuthCallback(request: Request, options?: SlackOAuthCallbackOptions): Promise<{
        teamId: string;
        installation: SlackInstallation;
    }>;
    /**
     * Remove a Slack workspace installation.
     */
    deleteInstallation(teamId: string): Promise<void>;
    /**
     * Run a function with a specific bot token in context.
     * Use this for operations outside webhook handling (cron jobs, workflows).
     */
    withBotToken<T>(token: string, fn: () => T): T;
    /**
     * Resolve the bot token for an installation from the external provider or state adapter.
     * @param installationId - team_id or enterprise_id depending on install type
     * @param isEnterpriseInstall - true if this is an Enterprise Grid org-wide install
     */
    protected resolveTokenForTeam(installationId: string, isEnterpriseInstall?: boolean): Promise<{
        token: string;
        botUserId?: string;
    } | null>;
    /**
     * Extract installation info from an interactive payload (form-urlencoded).
     * For Enterprise Grid org-wide installs, returns enterprise_id; otherwise team_id.
     */
    protected extractInstallationFromInteractive(body: string): {
        installationId: string;
        isEnterpriseInstall: boolean;
        enterpriseId?: string;
    } | null;
    /**
     * Look up user info from Slack API with caching via state adapter.
     * Returns null when the API call fails.
     */
    protected lookupUser(userId: string): Promise<CachedUser | null>;
    /**
     * Look up channel name from Slack API with caching via state adapter.
     * Returns channel name, or falls back to channel ID.
     */
    protected lookupChannel(channelId: string): Promise<string>;
    getUser(userId: string): Promise<UserInfo | null>;
    handleWebhook(request: Request, options?: WebhookOptions): Promise<Response>;
    /** Extract and dispatch events from a validated payload */
    protected processEventPayload(payload: SlackWebhookPayload, options?: WebhookOptions): void;
    /**
     * Handle Slack interactive payloads (button clicks, view submissions, etc.).
     * These are sent as form-urlencoded with a `payload` JSON field.
     */
    protected handleInteractivePayload(body: string, options?: WebhookOptions): Response | Promise<Response>;
    /**
     * Dispatch a pre-parsed interactive payload to the correct handler.
     * Used by both webhook and socket mode paths.
     */
    protected dispatchInteractivePayload(payload: SlackInteractivePayload, options?: WebhookOptions): Response | Promise<Response>;
    /**
     * Handle Slack slash command payloads.
     * Slash commands are sent as form-urlencoded with command, text, user_id, channel_id, etc.
     */
    protected handleSlashCommand(params: URLSearchParams, options?: WebhookOptions): Promise<Response>;
    /**
     * Handle block_actions payload (button clicks in Block Kit).
     */
    protected handleBlockActions(payload: SlackBlockActionsPayload, options?: WebhookOptions): void;
    protected handleBlockSuggestion(payload: SlackBlockSuggestionPayload, options?: WebhookOptions): Promise<Response>;
    protected optionsLoadResponse(result: OptionsLoadResult): Response;
    protected handleViewSubmission(payload: SlackViewSubmissionPayload, options?: WebhookOptions): Promise<Response>;
    protected handleViewClosed(payload: SlackViewClosedPayload, options?: WebhookOptions): void;
    protected modalResponseToSlack(response: ModalResponse, contextId?: string): SlackModalResponse;
    protected convertModalJSX(modal: ModalElement): ModalElement;
    /**
     * Start Socket Mode connection.
     * Creates a SocketModeClient, registers event handlers, and connects.
     */
    protected startSocketMode(): Promise<void>;
    /**
     * Route a socket mode event to the appropriate handler.
     */
    protected routeSocketEvent(body: Record<string, unknown>, eventType: string, ack: (response?: Record<string, unknown>) => Promise<void>, options?: WebhookOptions): Promise<void>;
    /**
     * Start a transient Socket Mode listener for serverless environments.
     * The listener maintains a WebSocket for `durationMs`, acks events, and
     * forwards them via HTTP POST to the webhook endpoint (or processes directly).
     *
     * @param options - Webhook options with waitUntil function
     * @param durationMs - How long to keep listening (default: 180000ms = 3 minutes)
     * @param abortSignal - Optional signal to stop the listener early
     * @param webhookUrl - URL to forward socket events to (required for forwarding mode)
     */
    startSocketModeListener(options: WebhookOptions, durationMs?: number, abortSignal?: AbortSignal, webhookUrl?: string): Promise<Response>;
    /**
     * Run the socket mode listener for a specified duration.
     */
    protected runSocketModeListener(durationMs: number, abortSignal?: AbortSignal, webhookUrl?: string, options?: WebhookOptions): Promise<void>;
    /**
     * Forward a socket mode event to the webhook endpoint.
     */
    protected forwardSocketEvent(webhookUrl: string, event: SlackForwardedSocketEvent): Promise<void>;
    /**
     * Disconnect the socket mode client.
     * No-op if not connected.
     */
    disconnect(): Promise<void>;
    protected verifySignature(body: string, timestamp: string | null, signature: string | null): boolean;
    /**
     * Handle message events from Slack.
     * Bot message filtering (isMe) is handled centrally by the Chat class.
     */
    protected handleMessageEvent(event: SlackEvent, options?: WebhookOptions): void;
    protected handleMessageChanged(event: SlackEvent, _options?: WebhookOptions): void;
    /**
     * Handle reaction events from Slack (reaction_added, reaction_removed).
     */
    protected handleReactionEvent(event: SlackReactionEvent, options?: WebhookOptions): Promise<void>;
    /**
     * Handle assistant_thread_started events from Slack's Assistants API.
     * Fires when a user opens a new assistant thread (DM with the bot).
     */
    protected handleAssistantThreadStarted(event: SlackAssistantThreadStartedEvent, options?: WebhookOptions): void;
    /**
     * Handle assistant_thread_context_changed events from Slack's Assistants API.
     * Fires when a user navigates to a different channel with the assistant panel open.
     */
    protected handleAssistantContextChanged(event: SlackAssistantContextChangedEvent, options?: WebhookOptions): void;
    /**
     * Handle app_home_opened events from Slack.
     * Fires when a user opens the bot's Home tab.
     */
    protected handleAppHomeOpened(event: SlackAppHomeOpenedEvent, options?: WebhookOptions): void;
    /**
     * Handle member_joined_channel events from Slack.
     * Fires when a user (including the bot) joins a channel.
     */
    protected handleMemberJoinedChannel(event: SlackMemberJoinedChannelEvent, options?: WebhookOptions): void;
    protected handleUserChange(event: SlackUserChangeEvent): Promise<void>;
    /**
     * Publish a Home tab view for a user.
     * Slack API: views.publish
     */
    publishHomeView(userId: string, view: Record<string, unknown>): Promise<void>;
    /**
     * Set suggested prompts for an assistant thread.
     * Slack Assistants API: assistant.threads.setSuggestedPrompts
     */
    setSuggestedPrompts(channelId: string, threadTs: string, prompts: Array<{
        title: string;
        message: string;
    }>, title?: string): Promise<void>;
    /**
     * Set status/thinking indicator for an assistant thread.
     * Slack Assistants API: assistant.threads.setStatus
     */
    setAssistantStatus(channelId: string, threadTs: string, status: string, loadingMessages?: string[]): Promise<void>;
    /**
     * Set title for an assistant thread (shown in History tab).
     * Slack Assistants API: assistant.threads.setTitle
     */
    setAssistantTitle(channelId: string, threadTs: string, title: string): Promise<void>;
    /**
     * Resolve inline user mentions in Slack mrkdwn text.
     * Converts <@U123> to <@U123|displayName> so that toAst/extractPlainText
     * renders them as @displayName instead of @U123.
     *
     * @param skipSelfMention - When true, skips the bot's own user ID so that
     *   mention detection (which looks for @botUserId in the text) continues to
     *   work. Uses the effective request-scoped bot user ID in multi-workspace
     *   mode, not only the adapter's default bot user ID. Set to false when
     *   parsing historical/channel messages where mention detection doesn't
     *   apply.
     */
    protected resolveInlineMentions(text: string, skipSelfMention: boolean): Promise<string>;
    /**
     * Extract link URLs from a Slack event.
     * Uses the `blocks` field (rich_text blocks with link elements) when available,
     * falling back to parsing `<url>` patterns from the text field.
     */
    protected extractLinks(event: SlackEvent): LinkPreview[];
    /**
     * Create a LinkPreview for a URL. If the URL points to a Slack message,
     * includes a `fetchMessage` callback that fetches and parses the linked message.
     */
    protected createLinkPreview(url: string): LinkPreview;
    protected parseSlackMessage(event: SlackEvent, threadId: string, options?: {
        skipSelfMention?: boolean;
    }): Promise<Message<unknown>>;
    protected enrichLinks(links: LinkPreview[], messageTs?: string): Promise<LinkPreview[]>;
    /**
     * Create an Attachment object from a Slack file.
     * Includes a fetchData method that uses the bot token for auth.
     */
    protected createAttachment(file: {
        id?: string;
        mimetype?: string;
        url_private?: string;
        name?: string;
        size?: number;
        original_w?: number;
        original_h?: number;
    }, teamId?: string): Attachment;
    protected fetchSlackFile(url: string, token: string): Promise<Buffer>;
    rehydrateAttachment(attachment: Attachment): Attachment;
    /**
     * Resolve @name mentions in text to Slack <@USER_ID> format using the
     * reverse user cache. When multiple users share a display name, prefers
     * the one who is a participant in the given thread.
     */
    protected resolveOutgoingMentions(text: string, threadId: string): Promise<string>;
    /**
     * Pre-process an outgoing message to resolve @name mentions before rendering.
     */
    protected resolveMessageMentions(message: AdapterPostableMessage, threadId: string): Promise<AdapterPostableMessage>;
    postMessage(threadId: string, _message: AdapterPostableMessage): Promise<RawMessage<unknown>>;
    postEphemeral(threadId: string, userId: string, _message: AdapterPostableMessage): Promise<EphemeralMessage>;
    scheduleMessage(threadId: string, _message: AdapterPostableMessage, options: {
        postAt: Date;
    }): Promise<ScheduledMessage>;
    openModal(triggerId: string, modal: ModalElement, contextId?: string): Promise<{
        viewId: string;
    }>;
    updateModal(viewId: string, modal: ModalElement): Promise<{
        viewId: string;
    }>;
    /**
     * Upload files to Slack and share them to a channel.
     * Returns the file IDs of uploaded files.
     */
    protected uploadFiles(files: FileUpload[], channel: string, threadTs?: string): Promise<string[]>;
    editMessage(threadId: string, messageId: string, _message: AdapterPostableMessage): Promise<RawMessage<unknown>>;
    postObject(threadId: string, kind: string, data: unknown): Promise<RawMessage<unknown>>;
    editObject(threadId: string, messageId: string, kind: string, data: unknown): Promise<RawMessage<unknown>>;
    protected renderPlanFallbackText(plan: PlanModel): string;
    protected planToBlockKit(plan: PlanModel): unknown[];
    protected planContentToPlainText(content: PlanContent | undefined): string;
    protected planContentToRichText(content: PlanContent | undefined): {
        type: "rich_text";
        elements: unknown[];
    } | undefined;
    deleteMessage(threadId: string, messageId: string): Promise<void>;
    addReaction(threadId: string, messageId: string, emoji: EmojiValue | string): Promise<void>;
    removeReaction(threadId: string, messageId: string, emoji: EmojiValue | string): Promise<void>;
    /**
     * Show typing indicator with optional custom status.
     *
     * When status is provided, uses Slack's assistant.threads.setStatus API
     * to show custom loading text (requires Agents & AI Apps feature and assistant:write scope).
     * The status auto-clears when a message is posted to the thread.
     *
     * When status is not provided, defaults to "Typing..." with default loading messages.
     *
     * @param threadId - The thread to show the indicator in
     * @param status - Optional custom status message (e.g., "Searching documents...")
     */
    startTyping(threadId: string, status?: string): Promise<void>;
    /**
     * Stream a message using Slack's native streaming API.
     *
     * Consumes an async iterable of text chunks and/or structured StreamChunk
     * objects (task_update, plan_update, markdown_text) and streams them to Slack.
     *
     * Plain strings are rendered through StreamingMarkdownRenderer for safe
     * incremental markdown. StreamChunk objects are passed directly to Slack's
     * streaming API as chunk payloads, enabling native task progress cards
     * and plan displays in the Slack AI Assistant UI.
     *
     * Requires `recipientUserId` and `recipientTeamId` in options.
     */
    stream(threadId: string, textStream: AsyncIterable<string | StreamChunk>, options?: StreamOptions): Promise<RawMessage<unknown>>;
    /**
     * Open a direct message conversation with a user.
     * Returns a thread ID that can be used to post messages.
     */
    openDM(userId: string): Promise<string>;
    fetchMessages(threadId: string, options?: FetchOptions): Promise<FetchResult<unknown>>;
    /**
     * Fetch messages in forward direction (oldest first, efficient).
     * Uses native Slack cursor pagination.
     */
    protected fetchMessagesForward(channel: string, threadTs: string, threadId: string, limit: number, cursor?: string): Promise<FetchResult<unknown>>;
    /**
     * Fetch messages in backward direction (most recent first).
     *
     * Slack's API returns oldest-first, so for backward direction we:
     * 1. Use `latest` parameter to fetch messages before a timestamp (cursor)
     * 2. Fetch up to 1000 messages (API limit) and take the last N
     * 3. Return messages in chronological order (oldest first within the page)
     *
     * Note: For very large threads (>1000 messages), the first backward call
     * may not return the absolute most recent messages. This is a Slack API limitation.
     */
    protected fetchMessagesBackward(channel: string, threadTs: string, threadId: string, limit: number, cursor?: string): Promise<FetchResult<unknown>>;
    fetchThread(threadId: string): Promise<ThreadInfo>;
    /**
     * Fetch a single message by ID (timestamp).
     */
    fetchMessage(threadId: string, messageId: string): Promise<Message<unknown> | null>;
    encodeThreadId(platformData: SlackThreadId): string;
    /**
     * Check if a thread is a direct message conversation.
     * Slack DM channel IDs start with 'D'.
     */
    isDM(threadId: string): boolean;
    /**
     * Get the visibility scope of a channel containing the thread.
     *
     * - `external`: Slack Connect channel shared with external organizations
     * - `private`: Private channel (starts with G) or DM (starts with D)
     * - `workspace`: Public channel visible to all workspace members
     * - `unknown`: Visibility cannot be determined (not yet cached)
     */
    getChannelVisibility(threadId: string): ChannelVisibility;
    decodeThreadId(threadId: string): SlackThreadId;
    parseMessage(raw: SlackEvent): Message<unknown>;
    /**
     * Synchronous message parsing without user lookup.
     * Used for parseMessage interface - falls back to user ID for username.
     */
    protected parseSlackMessageSync(event: SlackEvent, threadId: string): Message<unknown>;
    /**
     * Derive channel ID from a Slack thread ID.
     * Slack thread IDs are "slack:CHANNEL:THREAD_TS", channel ID is "slack:CHANNEL".
     */
    channelIdFromThreadId(threadId: string): string;
    /**
     * Fetch channel-level messages (conversations.history, not thread replies).
     */
    fetchChannelMessages(channelId: string, options?: FetchOptions): Promise<FetchResult<unknown>>;
    protected fetchChannelMessagesForward(channel: string, limit: number, cursor?: string): Promise<FetchResult<unknown>>;
    protected fetchChannelMessagesBackward(channel: string, limit: number, cursor?: string): Promise<FetchResult<unknown>>;
    /**
     * List threads in a Slack channel.
     * Fetches channel history and filters for messages with replies.
     */
    listThreads(channelId: string, options?: ListThreadsOptions): Promise<ListThreadsResult<unknown>>;
    /**
     * Fetch Slack channel info/metadata.
     */
    fetchChannelInfo(channelId: string): Promise<ChannelInfo>;
    /**
     * Post a top-level message to a channel (not in a thread).
     */
    postChannelMessage(channelId: string, message: AdapterPostableMessage): Promise<RawMessage<unknown>>;
    renderFormatted(content: FormattedContent): string;
    /**
     * Check if a Slack event is from this bot.
     *
     * Slack messages can come from:
     * - User messages: have `user` field (U_xxx format)
     * - Bot messages: have `bot_id` field (B_xxx format)
     *
     * We check both because:
     * - _botUserId is the user ID (U_xxx) - matches event.user
     * - _botId is the bot ID (B_xxx) - matches event.bot_id
     */
    protected isMessageFromSelf(event: SlackEvent): boolean;
    protected handleSlackError(error: unknown): never;
    /**
     * Encode response_url and userId into messageId for ephemeral messages.
     * This allows edit/delete operations to work via response_url.
     */
    protected encodeEphemeralMessageId(messageTs: string, responseUrl: string, userId: string): string;
    /**
     * Decode ephemeral messageId to extract messageTs, responseUrl, and userId.
     * Returns null if the messageId is not an ephemeral encoding.
     */
    protected decodeEphemeralMessageId(messageId: string): {
        messageTs: string;
        responseUrl: string;
        userId: string;
    } | null;
    /**
     * Send a request to Slack's response_url to modify an ephemeral message.
     */
    protected sendToResponseUrl(responseUrl: string, action: "replace" | "delete", options?: {
        message?: AdapterPostableMessage;
        threadTs?: string;
    }): Promise<Record<string, unknown>>;
}
declare function createSlackAdapter(config?: SlackAdapterConfig): SlackAdapter;

export { SlackAdapter, type SlackAdapterConfig, type SlackAdapterMode, type SlackBotToken, type SlackEvent, SlackFormatConverter, type SlackInstallation, SlackFormatConverter as SlackMarkdownConverter, type SlackOAuthCallbackOptions, type SlackReactionEvent, type SlackThreadId, cardToBlockKit, cardToFallbackText, createSlackAdapter };