import type { Manifest } from '@vltpkg/types';
import type { PathBase, PathScurry } from 'path-scurry';
export type ProjectTools = 'vlt' | 'node' | 'deno' | 'bun' | 'npm' | 'pnpm' | 'yarn' | 'js';
export declare const isProjectTools: (str: string) => str is ProjectTools;
export declare const asProjectTools: (str: string) => ProjectTools;
export declare const inferTools: (manifest: Pick<Manifest, "engines"> & Record<string, unknown>, folder: PathBase, scurry: PathScurry) => ProjectTools[];
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