export type ParsedSource = {
    kind: "local";
    path: string;
} | {
    kind: "git";
    url: string;
    subdir?: string;
    ref?: string;
    display: string;
};
export type ResolvedSource = {
    dir: string;
    sha?: string;
    display: string;
};
/** Parse `local path | git URL [//subdir] [?ref=rev]`. A local path WITH ?ref=
 *  is a git source that clones from that path. */
export declare function parseSource(raw: string, baseDir: string): ParsedSource;
/**
 * Resolve a parsed source to a local directory, plus the resolved sha for git
 * sources. One checkout per (url, ref) under cacheRoot: a sha entry never
 * refetches; a branch/tag/default entry re-fetches per call.
 */
export declare function resolveSource(parsed: ParsedSource, opts?: {
    cacheRoot?: string;
}): ResolvedSource;