import { CallContext } from '@xh/hoist/core';
import { ViewInfo } from './ViewInfo';
import { View } from './View';
import { ViewManagerModel, ViewUserState, ViewUpdateSpec, ViewCreateSpec } from './ViewManagerModel';
/**
 * Supporting class for accessing and updating ViewManager and View data.
 *
 * @internal
 */
export declare class DataAccess<T> {
    private readonly model;
    constructor(model: ViewManagerModel<T>);
    /** Fetch metadata for all views accessible by current user. */
    fetchDataAsync(ctx: CallContext): Promise<{
        views: ViewInfo[];
        state: ViewUserState;
    }>;
    /** Fetch the latest version of a view, or the in-code default if token null/undefined/empty. */
    fetchViewAsync(token: string, ctx: CallContext): Promise<View<T>>;
    /** Create a new view, owned by the current user.*/
    createViewAsync(spec: ViewCreateSpec, ctx: CallContext): Promise<View<T>>;
    /** Update all aspects of a view's metadata.*/
    updateViewInfoAsync(view: ViewInfo, updates: ViewUpdateSpec, ctx: CallContext): Promise<View<T>>;
    /** Apply the same metadata updates to multiple views. */
    updateViewsInfoAsync(views: ViewInfo[], updates: ViewUpdateSpec, ctx: CallContext): Promise<void>;
    /** Rename or re-parent a group, cascading to every view at or nested under `from`. */
    renameGroupAsync(from: string, to: string, isGlobal: boolean, ctx: CallContext): Promise<void>;
    /** Update a view's value. */
    updateViewValueAsync(view: View<T>, value: Partial<T>, ctx: CallContext): Promise<View<T>>;
    deleteViewsAsync(views: ViewInfo[], ctx: CallContext): Promise<any>;
    updateStateAsync(update: Partial<ViewUserState>, ctx: CallContext): Promise<ViewUserState>;
    private ensureEditable;
}