/** Reports whether a directory is the monorepo root, which the workspace manifest's presence marks. */
export declare function isMonorepoRoot(dir: string): boolean;
/**
 * Finds the monorepo root by walking up from `startDir` to find `pnpm-workspace.yaml`.
 * Throws if no workspace root is found.
 */
export declare function findMonorepoRoot(startDir?: string): string;
/**
 * Reads the workspace patterns from `pnpm-workspace.yaml` and resolves them to absolute package
 * directories, applying pnpm's pattern semantics — including `!`-prefixed exclusions.
 *
 * Returns an empty array when the manifest declares no usable `packages` list, and throws when
 * `monorepoRoot` holds no manifest at all — the caller named a directory that is not a monorepo root.
 */
export declare function getWorkspacePackageDirs(monorepoRoot: string): string[];
/**
 * Reads the `overrides` block from the monorepo root's `pnpm-workspace.yaml`, the site pnpm reads an override
 * from.
 *
 * Returns nothing when the manifest or the block is missing, and drops an entry whose value is not a string.
 */
export declare function readWorkspaceOverrides(monorepoRoot: string): Record<string, string> | undefined;
/**
 * Reads the manifest `name` each of the given package directories declares, which is what a `-F` pattern
 * matches.
 *
 * A directory whose manifest is missing, unparseable, or nameless contributes nothing. The sweep runs for a
 * diagnostic's sake, so one malformed manifest elsewhere in the workspace must not replace the diagnostic the
 * reader asked for with a failure of its own.
 */
export declare function readWorkspacePackageNames(packageDirs: readonly string[]): string[];