465     on(  method
491     on(type: 'keyboardShow' | 'keyboardHide', callback: () => void): void;  method
522 …on(type: 'inputStart', callback: (kbController: KeyboardController, inputClient: InputClient) => v…  method
542     on(type: 'inputStop', callback: () => void): void;  method
562     on(type: 'setCallingWindow', callback: (wid: number) => void): void;  method
582     on(type: 'keyboardShow' | 'keyboardHide', callback: () => void): void;  method
602     on(type: 'setSubtype', callback: (inputMethodSubtype: InputMethodSubtype) => void): void;  method
622     on(type: 'securityModeChange', callback: Callback<SecurityMode>): void;  method
643     on(type: 'privateCommand', callback: Callback<Record<string, CommandDataType>>): void;  method
1408     on(type: 'keyDown' | 'keyUp', callback: (event: KeyEvent) => boolean): void;  method
1429     on(type: 'keyEvent', callback: (event: InputKeyEvent) => boolean): void;  method
1449     on(type: 'cursorContextChange', callback: (x: number, y: number, height: number) => void): void;  method
1470     on(  method
1497     on(type: 'textChange', callback: (text: string) => void): void;  method
1517     on(type: 'editorAttributeChanged', callback: (attr: EditorAttribute) => void): void;  method
1691     on(type: 'show', callback: () => void): void;  method
1714     on(type: 'hide', callback: () => void): void;  method
1778     on(type: 'sizeChange', callback: Callback<window.Size>): void;  method