import { type PathRejection } from "./paths.js";
export interface ManifestEntry {
    /** dist-relative, forward slashes, no leading `/`, normalized. */
    path: string;
    size: number;
    /** base64 std. */
    sha256: string;
}
export interface Manifest {
    files: ManifestEntry[];
    totalBytes: number;
}
export declare class ManifestError extends Error {
    readonly reason: PathRejection | "no_dist";
    readonly offendingPath: string;
    constructor(reason: PathRejection | "no_dist", offendingPath: string, message: string);
}
/** Recursively list files under `dir` as dir-relative POSIX paths. Symlinks are not followed. */
export declare function walkDist(dir: string, base?: string): Promise<string[]>;
/** sha256 of a file, base64 std — the exact form `x-amz-checksum-sha256` wants. */
export declare function hashFile(absPath: string): Promise<string>;
/**
 * Build the manifest for a dist directory. Every path is normalized before it is
 * hashed, so the string this returns is the string the API validates, signs, and
 * later lists — there is no second form anywhere.
 */
export declare function buildManifest(distDir: string): Promise<Manifest>;