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diff --git a/modules/gdscript/language_server/gdscript_text_document.h b/modules/gdscript/language_server/gdscript_text_document.h
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+++ b/modules/gdscript/language_server/gdscript_text_document.h
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+/*************************************************************************/
+/*  gdscript_text_document.h                                             */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2019 Godot Engine contributors (cf. AUTHORS.md)    */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#ifndef GDSCRIPT_TEXT_DOCUMENT_H
+#define GDSCRIPT_TEXT_DOCUMENT_H
+
+#include "core/os/file_access.h"
+#include "core/reference.h"
+#include "lsp.hpp"
+
+class GDScriptTextDocument : public Reference {
+	GDCLASS(GDScriptTextDocument, Reference)
+protected:
+	static void _bind_methods();
+
+	FileAccess *file_checker;
+
+	void didOpen(const Variant &p_param);
+	void didChange(const Variant &p_param);
+
+	void sync_script_content(const String &p_path, const String &p_content);
+	void show_native_symbol_in_editor(const String &p_symbol_id);
+
+	Array native_member_completions;
+
+private:
+	lsp::TextDocumentItem load_document_item(const Variant &p_param);
+
+public:
+	Array documentSymbol(const Dictionary &p_params);
+	Array completion(const Dictionary &p_params);
+	Dictionary resolve(const Dictionary &p_params);
+	Array foldingRange(const Dictionary &p_params);
+	Array codeLens(const Dictionary &p_params);
+	Variant documentLink(const Dictionary &p_params);
+	Array colorPresentation(const Dictionary &p_params);
+	Variant hover(const Dictionary &p_params);
+	Array definition(const Dictionary &p_params);
+
+	void initialize();
+
+	GDScriptTextDocument();
+	virtual ~GDScriptTextDocument();
+};
+
+#endif