import { Effect } from "effect";
import type { FilesystemError } from "../effects/index.js";
/**
 * Filesystem service interface
 *
 * @purity SHELL
 * @effect Filesystem I/O
 */
export interface FilesystemService {
    /**
     * Checks if file exists
     *
     * @purity SHELL
     * @effect Filesystem read
     * @complexity O(1)
     */
    readonly fileExists: (filePath: string) => Effect.Effect<boolean, FilesystemError>;
    /**
     * Reads directory contents
     *
     * @purity SHELL
     * @effect Filesystem read
     * @complexity O(n) where n = number of files
     */
    readonly readDirectory: (dirPath: string) => Effect.Effect<readonly string[], FilesystemError>;
    /**
     * Finds files matching pattern
     *
     * @purity SHELL
     * @effect Filesystem read
     * @complexity O(n) where n = number of files
     */
    readonly findFiles: (dirPath: string, pattern: RegExp) => Effect.Effect<readonly string[], FilesystemError>;
    /**
     * Resolves module path
     *
     * @purity SHELL
     * @effect Filesystem read
     * @complexity O(1)
     */
    readonly resolveModulePath: (fromPath: string, modulePath: string) => Effect.Effect<string, FilesystemError>;
}
/**
 * Creates filesystem service implementation
 *
 * @returns Filesystem service
 *
 * @purity SHELL
 * @effect Service factory
 * @complexity O(1)
 */
export declare const makeFilesystemService: () => FilesystemService;
//# sourceMappingURL=filesystem.d.ts.map