import { Buffer } from "node:buffer";
import { type ReleaseFilter, type ReleaseInfo } from "./release-tags.js";
export type { ReleaseFilter, ReleaseInfo } from "./release-tags.js";
export { releaseTags, releaseRows, sortReleaseTags } from "./release-tags.js";
export declare const TOOLCHAINS: string[];
export declare let tryDownloadFile: (url: string) => Promise<Buffer | null>;
export declare let downloadAndExtract: (url: string, destDir: string, destFileName?: string) => Promise<void>;
export declare let installVersion: (destDir: string, { label, isComplete, populate, }: {
    /** `<tool> <version>`, for the wait message. */
    label: string;
    isComplete: () => boolean;
    /** Fills the empty staging dir that becomes `destDir` on success. */
    populate: (stagingDir: string) => Promise<void>;
}) => Promise<void>;
export type ReleaseTagOptions = ReleaseFilter & {
    /** Fetch every release page instead of the first page only. */
    all?: boolean;
};
export type ReleaseTagsResult = {
    tags: string[];
    /** True when only the first page was fetched and GitHub may have more. */
    truncated: boolean;
    /**
     * First tag in GitHub publish order, matching `getLatestReleaseTag`. Modules
     * that filter `tags` further must drop it too, or the two disagree.
     */
    publishedLatest?: string;
};
/** Release tags, newest first. Default: first GitHub page only. */
export declare let getReleaseTags: (repo: string, { all, prerelease, exclude }?: ReleaseTagOptions) => Promise<ReleaseTagsResult>;
export declare let getLatestReleaseTag: (repo: string, { prerelease, exclude }?: ReleaseTagOptions) => Promise<string>;
/**
 * Recent release rows, newest first, for prompts and the `info` preview.
 * Drafts and prereleases are excluded unless asked for explicitly.
 */
export declare let getReleases: (repo: string, { prerelease, exclude }?: ReleaseTagOptions) => Promise<ReleaseInfo[]>;