import type { WebClient } from '@slack/web-api';
import type { SlackMessagePreview } from '../../shared/inbox.js';
export declare function slackMessagePreviewsFromAttachments(rawAttachments: unknown): SlackMessagePreview[];
type SlackPreviewWebClient = Pick<WebClient, 'conversations'>;
export interface SlackMessagePreviewRetryInput {
    channelId: string;
    client: SlackPreviewWebClient;
    messageTs: string;
    retryDelaysMs?: readonly number[];
    text?: string;
    sleep?: (ms: number) => Promise<void>;
    warn?: (message: string) => void;
}
export declare function waitForSlackMessagePreviewAttachments(input: SlackMessagePreviewRetryInput): Promise<unknown[] | undefined>;
export declare function slackMessageAttachments(input: {
    channelId?: string;
    client: SlackPreviewWebClient;
    messageTs?: string;
    text?: string;
    warn?: (message: string) => void;
}): Promise<unknown[] | undefined>;
export declare function attachmentsHaveSlackMessagePreviews(attachments: unknown): boolean;
export declare function slackPermalinkMentioned(text: string | undefined): boolean;
export {};
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