declare namespace Ext {
    export namespace chart {
        export namespace interactions {
            export interface AbstractConfig {
                chart?: Ext.chart.AbstractChart;
                enabled?: boolean;
                listeners?: object;
            }

            export class Abstract extends Ext.Base  {
                public throttleGap?: any;
                public getChart(): void;
                public getEnabled(): void;
                public getItemForEvent(e?: Event): object;
                public getItemsForEvent(e?: Event): [];
                public onGesture(): void;
                public setChart(): void;
                public setEnabled(): void;
            }
        }
    }
}