495     on(  method
521     on(type: 'keyboardShow' | 'keyboardHide', callback: () => void): void;  method
552 …on(type: 'inputStart', callback: (kbController: KeyboardController, inputClient: InputClient) => v…  method
572     on(type: 'inputStop', callback: () => void): void;  method
592     on(type: 'setCallingWindow', callback: (wid: number) => void): void;  method
612     on(type: 'keyboardShow' | 'keyboardHide', callback: () => void): void;  method
632     on(type: 'setSubtype', callback: (inputMethodSubtype: InputMethodSubtype) => void): void;  method
652     on(type: 'securityModeChange', callback: Callback<SecurityMode>): void;  method
673     on(type: 'privateCommand', callback: Callback<Record<string, CommandDataType>>): void;  method
696     on(type: 'callingDisplayDidChange', callback: Callback<number>): void;  method
716     on(type: 'discardTypingText', callback: Callback<void>): void;  method
1585     on(type: 'attachOptionsDidChange', callback: Callback<AttachOptions>): void;  method
1611     on(type: 'keyDown' | 'keyUp', callback: (event: KeyEvent) => boolean): void;  method
1632     on(type: 'keyEvent', callback: (event: InputKeyEvent) => boolean): void;  method
1652     on(type: 'cursorContextChange', callback: (x: number, y: number, height: number) => void): void;  method
1673     on(  method
1700     on(type: 'textChange', callback: (text: string) => void): void;  method
1720     on(type: 'editorAttributeChanged', callback: (attr: EditorAttribute) => void): void;  method
2104     on(type: 'show', callback: () => void): void;  method
2127     on(type: 'hide', callback: () => void): void;  method
2229     on(type: 'sizeChange', callback: SizeChangeCallback): void;  method
2261     on(type: 'sizeUpdate', callback: SizeUpdateCallback): void;  method