import type { BackendExplanation, FileDialogHandle, FileEntry, FilePermissions, FileStat, FileSystemBackend, FileSystemPathKind, FileSystemUsage, FileWalkOptions, FileWatchEvent } from '@flighthq/types/contract';
export declare function appendTextFile(path: string, data: string): Promise<boolean>;
export declare function canAccessFile(path: string, mode: 'readable' | 'writable' | 'executable'): Promise<boolean>;
export declare function copyFile(from: string, to: string): Promise<boolean>;
export declare function createFileSymlink(target: string, linkPath: string): Promise<boolean>;
export declare function createWebFileSystemBackend(): FileSystemBackend;
export declare function directoryExists(path: string): Promise<boolean>;
export declare function explainFileSystemBackend(): BackendExplanation;
export declare function fileExists(path: string): Promise<boolean>;
export declare function findFiles(rootPath: string, pattern: string): Promise<readonly FileEntry[]>;
export declare function getFileBaseName(path: string): string;
export declare function getFileDirectoryName(path: string): string;
export declare function getFileExtensionName(path: string): string;
export declare function getFilePermissions(path: string): Promise<FilePermissions | null>;
export declare function getFileRealPath(path: string): Promise<string | null>;
export declare function getFileSystemBackend(): FileSystemBackend;
export declare function getFileSystemPath(kind: FileSystemPathKind): string;
export declare function getFileSystemUsage(): Promise<FileSystemUsage | null>;
export declare function installFileSystemHostBackend(backend: FileSystemBackend): void;
export declare function isAbsoluteFilePath(path: string): boolean;
export declare function joinFilePath(...segments: readonly string[]): string;
export declare function makeDirectory(path: string): Promise<boolean>;
export declare function normalizeFilePath(path: string): string;
export declare function observeFileSystemHostResult(operation: string, succeeded: boolean): void;
export declare function openFileReadStream(path: string): Promise<ReadableStream<Uint8Array> | null>;
export declare function openFileWriteStream(path: string): Promise<WritableStream<Uint8Array> | null>;
export declare function readBinaryFile(path: string): Promise<Uint8Array | null>;
export declare function readBinaryFileRange(path: string, offset: number, length: number): Promise<Uint8Array | null>;
export declare function readDialogHandleBinaryFile(handle: Readonly<FileDialogHandle>): Promise<Uint8Array | null>;
export declare function readDialogHandleTextFile(handle: Readonly<FileDialogHandle>): Promise<string | null>;
export declare function readDirectory(path: string): Promise<FileEntry[]>;
export declare function readDirectoryRecursive(path: string, options?: Readonly<FileWalkOptions>): Promise<readonly FileEntry[]>;
export declare function readFileSymlink(path: string): Promise<string | null>;
export declare function readTextFile(path: string): Promise<string | null>;
export declare function removeDirectory(path: string, recursive?: boolean): Promise<boolean>;
export declare function removeFile(path: string): Promise<boolean>;
export declare function renameFile(from: string, to: string): Promise<boolean>;
export declare function resetFileSystemBackendForTest(): void;
export declare function setFilePermissions(path: string, permissions: Readonly<FilePermissions>): Promise<boolean>;
export declare function setFileSystemBackend(backend: FileSystemBackend | null): void;
export declare function statFile(path: string): Promise<FileStat | null>;
export declare function watchPath(path: string, listener: (event: Readonly<FileWatchEvent>) => void): () => void;
export declare function writeBinaryFile(path: string, data: Readonly<Uint8Array>): Promise<boolean>;
export declare function writeBinaryFileChunks(path: string, chunks: AsyncIterable<Readonly<Uint8Array>>): Promise<boolean>;
export declare function writeDialogHandleBinaryFile(handle: Readonly<FileDialogHandle>, data: Readonly<Uint8Array>): Promise<boolean>;
export declare function writeDialogHandleTextFile(handle: Readonly<FileDialogHandle>, data: string): Promise<boolean>;
export declare function writeFileAtomic(path: string, data: Readonly<Uint8Array> | string): Promise<boolean>;
export declare function writeTextFile(path: string, data: string): Promise<boolean>;
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