declare namespace Ext {
    export namespace menu {
        export interface CheckItemConfig {
            activeCls?: string;
            alignOnScroll?: boolean;
            alignTarget?: string;
            alwaysOnTop?: boolean | number;
            anchor?: string;
            animateShadow?: boolean;
            ariaAttributes?: object;
            ariaDescribedBy?: string;
            ariaLabel?: string;
            ariaLabelledBy?: string;
            autoEl?: string | object;
            autoRender?: boolean | string | Ext.dom.Element;
            autoScroll?: boolean;
            autoShow?: boolean;
            baseCls?: string;
            bind?: object | string;
            border?: number | string | boolean;
            canActivate?: boolean;
            checkChangeDisabled?: boolean;
            checked?: boolean;
            checkedCls?: string;
            checkHandler?: string | CallableFunction;
            childEls?: object | string[] | object[];
            clickHideDelay?: number;
            cls?: string | string[];
            columnWidth?: number;
            componentCls?: string;
            componentLayout?: string | object;
            constrain?: boolean;
            constraintInsets?: object | string;
            constrainTo?: Ext.util.Region | Ext.dom.Element;
            contentEl?: string;
            controller?: string | object | Ext.app.ViewController;
            data?: object;
            defaultAlign?: string;
            defaultListenerScope?: boolean;
            destroyMenu?: boolean;
            disabled?: boolean;
            disabledCls?: string;
            dock?: 'top' | 'bottom' | 'left' | 'right';
            draggable?: boolean | object;
            fixed?: boolean;
            flex?: number;
            floating?: boolean;
            focusCls?: string;
            focusOnToFront?: boolean;
            formBind?: boolean;
            frame?: boolean;
            glyph?: number | string;
            group?: string;
            groupCls?: string;
            handler?: string | CallableFunction;
            height?: number | string;
            hidden?: boolean;
            hideMode?: string;
            hideOnClick?: boolean;
            href?: string;
            hrefTarget?: string;
            html?: string | object;
            icon?: string;
            iconCls?: string;
            id?: string;
            itemId?: string;
            keyMap?: object;
            keyMapEnabled?: boolean;
            keyMapTarget?: string;
            liquidLayout?: boolean;
            listeners?: object;
            liveDrag?: boolean;
            loader?: Ext.ComponentLoader | object;
            margin?: number | string;
            maskElement?: string;
            maxHeight?: number;
            maxWidth?: number;
            menu?: Ext.menu.Menu | object;
            menuAlign?: string;
            menuExpandDelay?: number;
            menuHideDelay?: number;
            minHeight?: number;
            minWidth?: number;
            modal?: boolean;
            modelValidation?: boolean;
            overCls?: string;
            overflowX?: string;
            overflowY?: string;
            padding?: number | string;
            plain?: boolean;
            plugins?: Ext.plugin.Abstract[] | Ext.plugin.Abstract | object[] | object | Ext.react.enums.Plugin | Ext.react.enums.Plugin[];
            publishes?: string | string[] | object;
            reference?: string;
            region?: "north" | "south" | "east" | "west" | "center";
            renderConfig?: object;
            renderData?: object;
            renderSelectors?: object;
            renderTo?: string | Ext.dom.Element;
            renderTpl?: Ext.XTemplate | string | string[];
            resizable?: boolean | object;
            resizeHandles?: string;
            saveDelay?: number;
            scope?: object;
            scrollable?: boolean | string | object;
            session?: boolean | object | Ext.data.Session;
            shadow?: string | boolean;
            shadowOffset?: number;
            shim?: boolean;
            shrinkWrap?: boolean | number;
            stateEvents?: string[];
            stateful?: boolean | object;
            stateId?: string;
            style?: string | object;
            submenuText?: string;
            tabIndex?: number;
            text?: string;
            toFrontOnShow?: boolean;
            tooltip?: string | object;
            tooltipType?: string;
            touchAction?: object;
            tpl?: Ext.XTemplate | Ext.Template | string | string[];
            tplWriteMode?: string;
            twoWayBindable?: string | string[] | object;
            ui?: string;
            uncheckedCls?: string;
            userCls?: string | string[];
            viewModel?: string | object | Ext.app.ViewModel;
            weight?: number;
            width?: number | string;
            xtype?: string;
        }

        export class CheckItem extends Ext.menu.Item  {
            public disableCheckChange(): void;
            public enableCheckChange(): void;
            public setChecked(checked?: boolean, suppressEvents?: boolean): void;
        }
    }
}