import type { FileReadableStream, FileSystem } from './FileSystem.ts';
import type { DirectoryEntry } from './types.ts';
export interface SnapshotContentIdOptions {
    fresh?: boolean;
    kind?: 'any' | 'file';
    strictHermetic?: boolean;
}
export interface Snapshot {
    readonly id: string;
    readDirectory(path?: string): Promise<DirectoryEntry[]>;
    readFile(path: string): Promise<string>;
    readFileBinary(path: string): Promise<Uint8Array>;
    readFileStream(path: string): FileReadableStream;
    fileExists(path: string): Promise<boolean>;
    getFileLastModifiedMs(path: string): Promise<number | undefined>;
    getFileByteLength(path: string): Promise<number | undefined>;
    isFilePathGitIgnored(path: string): boolean;
    isFilePathExcludedFromTsConfigAsync(path: string, isDirectory?: boolean): Promise<boolean>;
    getRelativePathToWorkspace(path: string): string;
    contentId(path: string, options?: SnapshotContentIdOptions): Promise<string>;
    getWorkspaceChangeToken?(rootPath: string): Promise<string | null>;
    getWorkspaceChangedPathsSinceToken?(rootPath: string, previousToken: string): Promise<ReadonlySet<string> | null>;
    getRecentlyInvalidatedPaths?(): ReadonlySet<string> | undefined;
    invalidatePath(path: string): void;
    invalidatePaths?(paths: Iterable<string>): void;
    invalidateAll?(): void;
    onInvalidate(listener: (path: string) => void): () => void;
}
export declare class FileSystemSnapshot implements Snapshot {
    #private;
    readonly id: string;
    constructor(fileSystem: FileSystem, providedId?: string);
    readDirectory(path?: string): Promise<DirectoryEntry[]>;
    readFile(path: string): Promise<string>;
    readFileBinary(path: string): Promise<Uint8Array>;
    readFileStream(path: string): FileReadableStream;
    fileExists(path: string): Promise<boolean>;
    getFileLastModifiedMs(path: string): Promise<number | undefined>;
    getRelativePathToWorkspace(path: string): string;
    getFileByteLength(path: string): Promise<number | undefined>;
    isFilePathGitIgnored(path: string): boolean;
    isFilePathExcludedFromTsConfigAsync(path: string, isDirectory?: boolean): Promise<boolean>;
    contentId(path: string, options?: SnapshotContentIdOptions): Promise<string>;
    getWorkspaceChangeToken(rootPath: string): Promise<string | null>;
    getWorkspaceChangedPathsSinceToken(rootPath: string, previousToken: string): Promise<ReadonlySet<string> | null>;
    invalidatePath(path: string): void;
    invalidatePaths(paths: Iterable<string>): void;
    invalidateAll(): void;
    onInvalidate(listener: (path: string) => void): () => void;
}