declare namespace Ext {
    export namespace layout {
        export namespace component {
            export namespace field {
                export interface FieldContainerConfig {
                    animatePolicy?: object;
                    setHeightInDom?: boolean;
                    setWidthInDom?: boolean;
                }

                export class FieldContainer extends Ext.layout.component.Auto  {
                }
            }
        }
    }
}