@mastra/core/dist/channels/compat/slack.d.ts

import type { Adapter } from 'chat';
/**
 * Slack-specific workaround for tool-approval clicks at the top level of a
 * conversation (DM root or channel root, not inside a thread).
 *
 * The slack adapter's `handleBlockActions` falls back to `messageTs` when the
 * clicked card has no `thread_ts`, which makes the action's `chatThread.id`
 * point at a "thread keyed by the card itself" rather than the top-level
 * conversation the user was actually in. That breaks the `pendingToolApprovals`
 * metadata lookup because the metadata was persisted against the top-level
 * thread.
 *
 * This helper detects that case (decoded `threadTs === messageId`) and rewrites
 * the external thread id to the top-level (empty `threadTs`) form so the
 * approval lookup hits the right mastra thread.
 *
 * Returns `null` when the workaround does not apply (non-slack platform,
 * adapter without the thread-id codec, missing `messageId`, or the click was
 * inside an actual thread). Callers should fall back to the original
 * `chatThread.id` in that case.
 *
 * Remove this compat layer when the slack adapter is fixed to surface the
 * top-level thread id directly on `event.thread`.
 */
export declare function resolveSlackTopLevelThreadId(params: {
    platform: string;
    adapter: Adapter<any, any>;
    chatThreadId: string;
    messageId?: string;
}): string | null;
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