export type CodegraphUpstreamLayout = {
    /**
     * Absolute path of the script to spawn with `process.execPath`. Empty
     * string when NO candidate directory holds an entry at all — the caller
     * then fails with a path it can name rather than with a silent `undefined`.
     */
    readonly binaryPath: string;
    /**
     * Absolute path of the directory holding upstream's JS modules
     * (`types.js`, `extraction/grammars.js`). Same `dist/` the entry's `bin/`
     * lives under, so one probe locates both.
     */
    readonly moduleDir: string;
};
/**
 * Resolve upstream's layout for one `package.json` path.
 *
 * `packageJsonPath` is a parameter rather than a lookup because the doctor's
 * yarn-pnp fallback reaches the same package by a filesystem walk and needs
 * the layout for THAT path, not for whatever `createRequire` finds.
 */
export declare function codegraphUpstreamLayoutFor(packageJsonPath: string): CodegraphUpstreamLayout;
/** `codegraphUpstreamLayoutFor` for whichever install this process runs against. */
export declare function resolveCodegraphUpstreamLayout(): CodegraphUpstreamLayout;