import { OnInit, EventEmitter, PipeTransform, ChangeDetectorRef } from '@angular/core';
import { Observable } from 'rxjs';
export declare enum HelpStructure {
    table = 0,
    treeTable = 1,
    transfer = 2,
    treeTransfer = 3
}
export declare type HelpGetData<T> = (() => Observable<T[]>) | Observable<T[]> | T[];
export declare class HelpShellComponent<T> implements OnInit {
    private cd;
    getData: HelpGetData<T>;
    getTableOnSelectTree: (node: any) => Observable<T[]>;
    tableFields: any[];
    structure: HelpStructure;
    selectDataItem: EventEmitter<T>;
    expandedKeys: any[];
    data: T[];
    filteredData: T[];
    selectedDataItem: T;
    HelpStructure: typeof HelpStructure;
    constructor(cd: ChangeDetectorRef);
    ngOnInit(): void;
    /** table */
    handleSearch(searchString: any): void;
    handleClickItem(dataItem: T): void;
    handleDbClickItem(dataItem: T): void;
    /** tree table, tree transfer */
    tableData: T[];
    loadingTable: boolean;
    /**
     * 两种右侧列表数据来源：
     * 1. 藏在树的 children 中，需要指定父节点为 isTableParent
     * 2. 实现 getTableOnSelectTree 事件，点击节点时，返回一个取数的 observable
     */
    handleClickTreeNode(e: any): void;
    setTableData(data: T[]): void;
    /** tree transfer */
    checkedItems: any[];
    handleClickCheckAllRightTable(checkedAll: boolean): void;
    handleClickCheckItem(item: any): void;
    removeCheckedItem(dataItem: any): void;
    getIfChecked(item: any): boolean;
    getIfAllChecked(): boolean;
}
export declare class DataPathPipe implements PipeTransform {
    transform(data: any[], path: string | string[]): any;
}