export declare const SLACK_SOCKET_DELIVERY_DEDUP_TTL_MS: number;
export declare const SLACK_SOCKET_DELIVERY_DEDUP_MAX_SIZE = 10000;
export declare function extractSlackEventDedupKey(evt: Record<string, unknown>): string | null;
export declare function extractSlackBlockActionDedupKey(payload: Record<string, unknown>): string | null;
export declare function extractSlackViewSubmissionDedupKey(payload: Record<string, unknown>): string | null;
export declare function extractSlackInteractiveDedupKey(payload: Record<string, unknown>): string | null;
export declare function extractSlackSocketDedupKey(frame: Record<string, unknown>): string | null;