import { readFile, realpath, stat } from "node:fs/promises";
import type { SlackResult } from "./slack-api.js";
export interface SlackUploadParams {
    content?: string;
    path?: string;
    filename?: string;
    filetype?: string;
    title?: string;
}
export interface PreparedSlackUpload {
    bytes: Buffer;
    byteLength: number;
    filename: string;
    title: string;
    filetype?: string;
    snippetType?: string;
    source: "content" | "path";
    resolvedPath?: string;
}
export interface SlackUploadDeps {
    slack: (method: string, token: string, body?: Record<string, unknown>) => Promise<SlackResult>;
    token: string;
    fetchImpl?: (url: string, init: RequestInit) => Promise<Pick<Response, "ok" | "status" | "statusText" | "text">>;
}
export interface PerformSlackUploadOptions extends SlackUploadDeps {
    upload: PreparedSlackUpload;
    channelId: string;
    threadTs?: string;
    initialComment?: string;
}
export interface PerformSlackUploadsOptions extends SlackUploadDeps {
    uploads: readonly PreparedSlackUpload[];
    channelId: string;
    threadTs?: string;
    initialComment?: string;
}
export interface CompletedSlackUpload {
    fileId: string;
    response: SlackResult;
}
export interface CompletedSlackUploads {
    fileIds: string[];
    response: SlackResult;
}
interface PrepareSlackUploadFs {
    readFileImpl?: typeof readFile;
    realpathImpl?: typeof realpath;
    statImpl?: typeof stat;
}
export declare function inferSlackUploadFiletype(filename: string | undefined, explicitFiletype?: string): string | undefined;
export declare function chooseSlackSnippetType(upload: {
    source: "content" | "path";
    byteLength: number;
    filename: string;
    filetype?: string;
}): string | undefined;
export declare function resolveSlackUploadPath(inputPath: string, cwd: string, tmpdir: string, fsDeps?: PrepareSlackUploadFs): Promise<string>;
export declare function prepareSlackUpload(params: SlackUploadParams, cwd: string, tmpdir: string, fsDeps?: PrepareSlackUploadFs): Promise<PreparedSlackUpload>;
export declare function performSlackUploads({ uploads, channelId, threadTs, initialComment, slack, token, fetchImpl, }: PerformSlackUploadsOptions): Promise<CompletedSlackUploads>;
export declare function performSlackUpload({ upload, channelId, threadTs, initialComment, slack, token, fetchImpl, }: PerformSlackUploadOptions): Promise<CompletedSlackUpload>;
export {};