/**
 * Layout chain from Deployment Plan only (plan-only host).
 */
/** Chunk id for `src/Application.vmz` emit (`Application.client.js`). */
export declare const APPLICATION_SHELL_CHUNK = "Application";
/**
 * True when Deployment Plan lists an Application shell unit.
 */
export declare function hasApplicationShell(distDir: string): boolean;
/**
 * Nested layout ids from Plan for a page (excludes Application).
 * Prefer `resolveRouteLayoutChain` for SSR / hydrate.
 */
export declare function resolveNestedLayoutChain(distDir: string, pageChunkId: string): string[];
/**
 * Full SSR / hydrate layout chain from Deployment Plan `layoutChain`.
 */
export declare function resolveRouteLayoutChain(distDir: string, pageChunkId: string): string[];