declare namespace Ext {
    export namespace chart {
        export namespace axis {
            export namespace layout {
                export interface LayoutConfig {
                    axis?: Ext.chart.axis.Axis;
                    listeners?: object;
                }

                export class Layout extends Ext.Base  {
                    public calculateLayout(context?: object): any;
                    public calculateMajorTicks(context?: object): void;
                    public calculateMinorTicks(context?: object): void;
                    public getAxis(): void;
                    public processData(series?: Ext.chart.series.Series): void;
                    public setAxis(): void;
                    public snapEnds(context?: object, min?: number, max?: number, estStepSize?: number): void;
                    public trimByRange(context?: object, out?: object, trimMin?: number, trimMax?: number): void;
                }
            }
        }
    }
}