import { type DidChangeTextDocumentParams, type DidChangeWatchedFilesParams, type DidCloseTextDocumentParams, type DidOpenTextDocumentParams } from "vscode-languageserver";
import { TextDocument } from "vscode-languageserver-textdocument";
export type FileChangeHandler = (document: TextDocument | undefined) => void;
export declare let projectVersion: number;
export declare function onFileChange(handler: FileChangeHandler): void;
export declare function getAllOpen(): Set<TextDocument>;
export declare function get(uri: string): TextDocument | undefined;
export declare function exists(uri: string): boolean;
export declare function isOpen(doc: TextDocument): boolean;
export declare function doOpen(params: DidOpenTextDocumentParams): void;
export declare function doChange(params: DidChangeTextDocumentParams): void;
export declare function doClose(params: DidCloseTextDocumentParams): void;
export declare function doChangeWatchedFiles(params: DidChangeWatchedFilesParams): void;