import { ImportLayoutResult, Block } from "../../../models";
import { Layout, LayoutItem } from "@omnia/fx-models";
import { LayoutCanvasStore } from "..";
/**
 * Manager to handle the layout
 */
export declare class LayoutManager {
    /**
     * Copies an layout and generates new ids
     * @param layoutItem to copy
     * @param ownerLayoutId is the new ownerLayoutId to set
     */
    static copyLayout(layout: Layout, layoutId?: string): Layout;
    private static MigrateOldSettingsOnImport;
    private static RemoveLayoutBackgroundImage;
    private static MigrateBlockSettings;
    /**
     * Imports a layout and applies all the ids from the current page layout
     * @param pageLayoutDataString to import
     */
    static importLayoutFromJsonString(layoutCanvasStore: LayoutCanvasStore, pageLayoutDataString: string): ImportLayoutResult;
    /**
     * Updates the ownerLayoutId for all layout items and its siblings
     * @param layoutItem to update
     * @param ownerLayoutId is the new ownerLayoutId to set
     */
    private static updateOwnerLayoutId;
    /**
     * Updates the theming id to ensure a guid
     * @param layoutItem
     */
    private static updateThemingId;
    private static ensureRemoveDeletedBlockSettings;
    static getBlocksInLayoutByType(layoutItem: LayoutItem, elementName: any): Array<Block>;
    /**
     * Get a block by name
     * @param blockName the name of the block
     */
    static getBlockByName(container: LayoutItem, elementName: string): LayoutItem;
}