import type { ModelManifest } from './types.js';
declare const DEFAULT_MANIFEST_FILENAME = "model.yaml";
declare const DEFAULT_ENTRY_FILE = "index.dlang";
/**
 * Checks if a file exists at the given path.
 */
export declare function fileExists(targetPath: string): Promise<boolean>;
/**
 * Finds the nearest model.yaml manifest by walking up from startPath.
 *
 * @param startPath - Directory to start searching from
 * @returns Absolute path to model.yaml, or undefined if not found
 */
export declare function findNearestManifest(startPath: string): Promise<string | undefined>;
/**
 * Finds the workspace root (directory containing model.yaml).
 *
 * @param startPath - Directory to start searching from
 * @returns Absolute path to workspace root, or undefined if no manifest found
 */
export declare function findWorkspaceRoot(startPath: string): Promise<string | undefined>;
/**
 * Reads and parses a model.yaml manifest.
 *
 * @param manifestPath - Absolute path to model.yaml
 * @returns Parsed manifest, or undefined if file doesn't exist
 * @throws Error if file exists but cannot be parsed
 */
export declare function readManifest(manifestPath: string): Promise<ModelManifest | undefined>;
/**
 * Reads the entry point from a manifest file.
 *
 * @param manifestPath - Absolute path to model.yaml
 * @returns Entry file path (relative), defaults to 'index.dlang'
 */
export declare function readEntryFromManifest(manifestPath: string): Promise<string>;
/**
 * Gets the absolute entry file path for a manifest.
 *
 * @param manifestPath - Absolute path to model.yaml
 * @returns Absolute path to the entry file
 */
export declare function getEntryPath(manifestPath: string): Promise<string>;
/**
 * Discovers all manifest files within given directories by walking up the
 * directory tree from each directory to the filesystem root.
 *
 * Uses {@link findNearestManifest} for each directory, which walks up ancestor
 * directories until a manifest is found or the filesystem root is reached.
 *
 * @param directories - Array of absolute directory paths to search
 * @returns Array of manifest info objects
 */
export declare function findManifestsInDirectories(directories: string[]): Promise<Array<{
    manifestPath: string;
    entryPath: string;
}>>;
/** Default manifest filename */
export { DEFAULT_MANIFEST_FILENAME, DEFAULT_ENTRY_FILE };