779     off(type: 'selectByRange', callback?: Callback<Range>): void;  method
804     off(type: 'selectByMovement', callback?: Callback<Movement>): void;  method
828     off(type: 'insertText', callback?: (text: string) => void): void;  method
854     off(type: 'deleteLeft', callback?: (length: number) => void): void;  method
880     off(type: 'deleteRight', callback?: (length: number) => void): void;  method
904     off(type: 'sendKeyboardStatus', callback?: (keyboardStatus: KeyboardStatus) => void): void;  method
929     off(type: 'sendFunctionKey', callback?: (functionKey: FunctionKey) => void): void;  method
954     off(type: 'moveCursor', callback?: (direction: Direction) => void): void;  method
978     off(type: 'handleExtendAction', callback?: (action: ExtendAction) => void): void;  method
1002     off(type: 'getLeftTextOfCursor', callback?: (length: number) => string): void;  method
1026     off(type: 'getRightTextOfCursor', callback?: (length: number) => string): void;  method
1050     off(type: 'getTextIndexAtCursor', callback?: () => number): void;  method