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diff --git a/platform/osx/tts_osx.h b/platform/osx/tts_osx.h
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+++ b/platform/osx/tts_osx.h
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+/*************************************************************************/
+/*  tts_osx.h                                                            */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2022 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 TTS_OSX_H
+#define TTS_OSX_H
+
+#include "core/string/ustring.h"
+#include "core/templates/list.h"
+#include "core/templates/map.h"
+#include "core/variant/array.h"
+#include "servers/display_server.h"
+
+#include <AVFAudio/AVSpeechSynthesis.h>
+#include <AppKit/AppKit.h>
+
+@interface TTS_OSX : NSObject <AVSpeechSynthesizerDelegate> {
+	// AVSpeechSynthesizer
+	bool speaking;
+	Map<id, int> ids;
+
+	// NSSpeechSynthesizer
+	bool paused;
+	bool have_utterance;
+	int last_utterance;
+
+	id synth; // NSSpeechSynthesizer or AVSpeechSynthesizer
+	List<DisplayServer::TTSUtterance> queue;
+}
+
+- (void)pauseSpeaking;
+- (void)resumeSpeaking;
+- (void)stopSpeaking;
+- (bool)isSpeaking;
+- (bool)isPaused;
+- (void)speak:(const String &)text voice:(const String &)voice volume:(int)volume pitch:(float)pitch rate:(float)rate utterance_id:(int)utterance_id interrupt:(bool)interrupt;
+- (Array)getVoices;
+@end
+
+#endif // TTS_OSX_H