Interface InputEventInit

interface InputEventInit {
    bubbles?: boolean;
    cancelable?: boolean;
    composed?: boolean;
    data?: null | string;
    dataTransfer?: null | DataTransfer;
    detail?: number;
    inputType?: string;
    isComposing?: boolean;
    targetRanges?: StaticRange[];
    view?: null | Window;
    which?: number;
}