declare namespace Ext {
    export namespace layout {
        export interface LayoutConfig {
            animatePolicy?: object;
        }

        export class Layout extends Ext.Base  {
            public done?: boolean;
            public isLayout?: boolean;
            public afterRemove(item?: object): void;
            public beginLayout(ownerContext?: Ext.layout.ContextItem): void;
            public beginLayoutCycle(ownerContext?: Ext.layout.ContextItem): void;
            public calculate(ownerContext?: Ext.layout.ContextItem): void;
            public completeLayout(ownerContext?: Ext.layout.ContextItem): void;
            public configureItem(item?: Ext.Component): void;
            public finalizeLayout(ownerContext?: Ext.layout.ContextItem): void;
            public finishedLayout(ownerContext?: Ext.layout.ContextItem): void;
            public getItemSizePolicy(item?: Ext.Component): Ext.layout.SizePolicy;
            public getLayoutItems(): void;
            public initLayout(): void;
            public isValidParent(item?: object, target?: object, position?: object): boolean;
            public notifyOwner(ownerContext?: Ext.layout.ContextItem): void;
            public onContentChange(child?: Ext.Component): boolean;
            public renderItems(items?: object, target?: object): void;
        }
    }
}