import type { Position, TextDocumentContentChangeEvent, TextDocumentItem } from './lsp-protocol.js';
export interface VirtualFileSystemLimits {
    maxFiles: number;
    maxFileBytes: number;
    maxWorkspaceBytes: number;
}
export declare const DEFAULT_VFS_LIMITS: Readonly<VirtualFileSystemLimits>;
export interface VirtualDocument extends TextDocumentItem {
    readonly path: string;
    readonly bytes: number;
}
export declare class VfsLimitError extends Error {
    readonly code = "VFS_LIMIT";
    constructor(message: string);
}
export declare class VirtualFileSystem {
    private readonly files;
    private readonly encoder;
    private totalBytes;
    readonly workspaceUri: string;
    readonly limits: Readonly<VirtualFileSystemLimits>;
    constructor(workspaceUri?: string, limits?: Partial<VirtualFileSystemLimits>);
    get size(): number;
    get bytes(): number;
    open(item: TextDocumentItem): VirtualDocument;
    change(uri: string, version: number, changes: readonly TextDocumentContentChangeEvent[]): {
        applied: boolean;
        document: VirtualDocument;
    };
    close(uri: string): boolean;
    get(uri: string): VirtualDocument | undefined;
    require(uri: string): VirtualDocument;
    documents(): VirtualDocument[];
    clear(): void;
    pathForUri(uri: string): string;
    private makeDocument;
    private ensureFits;
    private assertLimits;
}
export declare function offsetAt(text: string, position: Position): number;
//# sourceMappingURL=vfs.d.ts.map