import { ImmutableTree } from '@youwol/rx-tree-views';
import { ExplorerBackend } from '@youwol/http-clients';
import { RequestEvent } from '@youwol/http-primitives';
import { BehaviorSubject, Observable, ReplaySubject, Subscription } from 'rxjs';
import { AnyFolderNode, BrowserNode, DownloadNode, DriveNode, FolderNode, GroupNode, HomeNode, ItemNode, RegularFolderNode, TrashNode } from './nodes';
export declare class TreeGroup extends ImmutableTree.State<BrowserNode> {
    readonly explorerState: ExplorerState;
    readonly homeFolderId: string;
    readonly trashFolderId: string;
    readonly groupId: string;
    readonly drivesId: string[];
    readonly defaultDriveId: string;
    readonly downloadFolderId?: string;
    constructor(rootNode: GroupNode, params: {
        explorerState: ExplorerState;
        groupId: string;
        homeFolderId: string;
        trashFolderId: string;
        defaultDriveId: string;
        drivesId: string[];
        downloadFolderId?: string;
        recentId?: string;
    });
    getHomeNode(): HomeNode;
    getDownloadNode(): DownloadNode;
    getTrashNode(): TrashNode;
    getDefaultDriveNode(): DriveNode;
}
export type OpenFolder = {
    tree: TreeGroup;
    folder: AnyFolderNode | DriveNode;
};
export declare class ExplorerState {
    readonly selectedItem$: BehaviorSubject<BrowserNode>;
    readonly openFolder$: ReplaySubject<OpenFolder>;
    readonly userInfo$: Observable<import("@youwol/http-clients/src/lib/assets-gateway").UserInfoResponse>;
    readonly defaultUserDrive$: Observable<ExplorerBackend.GetDefaultDriveResponse>;
    readonly userDrives$: Observable<DriveNode[]>;
    groupsTree: {
        [key: string]: TreeGroup;
    };
    itemCut: {
        cutType: 'borrow' | 'move';
        node: ItemNode | AnyFolderNode;
    };
    readonly subscriptions: Subscription[];
    constructor();
    openFolder(folder: AnyFolderNode | DriveNode): void;
    navigateTo$(folderId: string): Observable<{
        nodes: BrowserNode[];
        treeGroupState: TreeGroup;
    }>;
    selectItem(item: BrowserNode): void;
    selectGroup$(groupId: string): Observable<TreeGroup>;
    newFolder(parentNode: DriveNode | AnyFolderNode): void;
    newAsset<_T>({ parentNode, response$, progress$, pendingName, }: {
        parentNode: AnyFolderNode;
        response$: Observable<ExplorerBackend.GetItemResponse>;
        progress$?: Observable<RequestEvent>;
        pendingName: string;
    }): void;
    rename(node: FolderNode<'regular'> | ItemNode, newName: string, save?: boolean): void;
    deleteItemOrFolder(node: RegularFolderNode | ItemNode): void;
    deleteDrive(node: DriveNode): void;
    purgeDrive(trashNode: TrashNode): void;
    cutItem(node: ItemNode | FolderNode<'regular'>): void;
    borrowItem(node: ItemNode): void;
    pasteItem(destination: AnyFolderNode | DriveNode): void;
    refresh(folder: AnyFolderNode, openFolder?: boolean): void;
    uploadAsset(node: ItemNode): void;
    launchApplication({ cdnPackage, parameters, }: {
        cdnPackage: string;
        parameters: {
            [_k: string]: string;
        };
    }): any;
}