src/vs/workbench/services/keybinding/common/macLinuxKeyboardMapper.ts/MacLinuxKeyboardMapper/_charCodeToKb
class MacLinuxKeyboardMapper:	private static _charCodeToKb(charCode: number): { keyCode: KeyCode; shiftKey: boolean } | null {
		charCode = this._redirectCharCode(charCode);
		if (charCode < CHAR_CODE_TO_KEY_CODE.length) {
			return CHAR_CODE_TO_KEY_CODE[charCode];
		}
		return null;
	}