import type { PackageManager } from '../types.js';
export interface WorkspaceOwnership {
    root: string;
    kind: 'pnpm' | 'package-json' | 'standalone';
    patterns: string[];
}
export interface WorkspaceManagerConstraint {
    authoritative: boolean;
    ambiguous: boolean;
    manager?: PackageManager;
    reason?: string;
}
/** Resolve the nearest ancestor workspace that explicitly owns cwd. */
export declare function resolveWorkspaceOwnership(cwd: string): WorkspaceOwnership;
export declare function findWorkspaceRoot(cwd: string): string;
export declare function workspaceManagerConstraint(cwd: string): WorkspaceManagerConstraint;
export declare function validateWorkspacePackageManager(cwd: string, selected: PackageManager): {
    valid: true;
} | {
    valid: false;
    reason: string;
    expected?: PackageManager;
};
export declare function ancestors(cwd: string): string[];
export declare function matchesWorkspacePatterns(root: string, directory: string, patterns: string[]): boolean;
/** Enumerate only package directories reachable through declared positive workspace patterns. */
export declare function workspacePackageDirectories(ownership: WorkspaceOwnership): string[];
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