import type { AgentReplyPart, AgentResponder } from "@mono-agent/agent-contracts";
import type { SlackMessageStreamLogger } from "./message-stream.js";
import type { SlackChannelId, SlackMessageTs, SlackWebApi } from "./types.js";
export interface SlackReplyFileTarget {
    readonly conversationId: string;
    readonly channelId: SlackChannelId;
    readonly threadTs?: SlackMessageTs;
    readonly signal?: AbortSignal;
}
/** Native generated-file delivery with retry-safe, destination-bound deduplication. */
export declare class SlackReplyFileDelivery {
    private readonly api;
    private readonly responder;
    private readonly logger?;
    private readonly confirmed;
    private readonly inFlight;
    constructor(api: SlackWebApi, responder: Pick<AgentResponder, "openReplyArtifact">, logger?: SlackMessageStreamLogger | undefined);
    deliver(parts: readonly AgentReplyPart[] | undefined, target: SlackReplyFileTarget): Promise<readonly AgentReplyPart[] | undefined>;
    private deliverAttachment;
    private upload;
}
//# sourceMappingURL=reply-files.d.ts.map