1171     on(type: 'selectByRange', callback: Callback<Range>): void;  method
1197     on(type: 'selectByMovement', callback: Callback<Movement>): void;  method
1222     on(type: 'insertText', callback: (text: string) => void): void;  method
1249     on(type: 'deleteLeft', callback: (length: number) => void): void;  method
1276     on(type: 'deleteRight', callback: (length: number) => void): void;  method
1301     on(type: 'sendKeyboardStatus', callback: (keyboardStatus: KeyboardStatus) => void): void;  method
1327     on(type: 'sendFunctionKey', callback: (functionKey: FunctionKey) => void): void;  method
1353     on(type: 'moveCursor', callback: (direction: Direction) => void): void;  method
1378     on(type: 'handleExtendAction', callback: (action: ExtendAction) => void): void;  method
1403     on(type: 'getLeftTextOfCursor', callback: (length: number) => string): void;  method
1428     on(type: 'getRightTextOfCursor', callback: (length: number) => string): void;  method
1453     on(type: 'getTextIndexAtCursor', callback: () => number): void;  method
1477     on(type: 'setPreviewText', callback: SetPreviewTextCallback): void;  method
1500     on(type: 'finishTextPreview', callback: Callback<void>): void;  method