export declare function hasRootMarker(projectRoot: string, rootMarkers?: readonly string[]): boolean;
/**
 * True when `<projectRoot>/package.json` lists any name from `depNames`
 * in its `dependencies`, `devDependencies`, or `peerDependencies` maps.
 *
 * GitHub issue #48: Vue/Astro/Svelte projects fail the bounded extension
 * walk for monorepo layouts. Detecting them by package.json dep name
 * catches Vite-based setups and other frameworks where no framework-
 * specific config file exists at the project root.
 *
 * Reads package.json once per call. Failures (missing file, invalid JSON,
 * I/O error) return false — this signal is additive, never blocking.
 */
export declare function hasPackageJsonDep(projectRoot: string, depNames?: readonly string[]): boolean;
/**
 * Bounded extension scan for project relevance decisions.
 *
 * Root-marker checks happen before callers use this helper. This walk only
 * answers "does this project contain one of the extensions we know how to
 * serve?" and deliberately skips common dependency/build/cache directories so
 * vendored files do not trigger heavyweight LSP installs.
 */
export declare function relevantExtensionsInProject(projectRoot: string, extToServer: Readonly<Record<string, readonly string[]>>): Set<string>;
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