import { DataSource, CollectionViewer } from "@angular/cdk/collections";
import { HttpParams } from '@angular/common/http';
import { Observable } from 'rxjs';
import { VedraxApiService } from '../../services/vedrax-api.service';
import { DescriptorTable } from '../../descriptor/descriptor-table';
/**
 * Class that implements the {@link DataSource}.
 */
export declare class VedraxTableDataSource extends DataSource<any[]> {
    private apiService;
    /**
     * The subscription
     */
    private subscription;
    /**
     * The data listener
     */
    private dataSubject;
    /**
     * The total item listener used for pagination
     */
    private totalItemsSubject;
    /**
     * The submitted flag listener
     */
    private submittedSubject;
    /**
     * The descriptor table
     */
    private descriptorTable;
    /**
     * An observable total items
     */
    totalItems$: Observable<number>;
    /**
     * An observable submitted flag
     */
    submitted$: Observable<boolean>;
    /**
     * The data retrieved from the listener
     */
    get data(): any[];
    constructor(apiService: VedraxApiService);
    /**
     * Method for setting the descriptor table
     * @param descriptorTable
     */
    setDescriptorTable(descriptorTable: DescriptorTable): void;
    /**
     * Method used for connection
     * @param collectionViewer
     * @returns
     */
    connect(collectionViewer: CollectionViewer): Observable<any[]>;
    /**
     * Method used for disconnection
     * @param collectionViewer
     */
    disconnect(collectionViewer: CollectionViewer): void;
    /**
     * Method used for loading paginated data from API
     * @param endpoint
     * @param params
     */
    loadWithPagination(endpoint?: string, params?: HttpParams): void;
    /**
     * method used for loading data from API
     * @param endpoint
     * @param params
     */
    load(endpoint: string, params?: HttpParams): void;
    /**
     * Method used for adding an item
     * @param item
     */
    addItem(item: any): void;
    /**
     * Method used for adding items
     * @param items
     */
    addItems(items?: any[]): void;
    /**
     * Transform when boolean
     * @param items
     */
    private transformItemsWithMapping;
    /**
     * Transform when boolean
     * @param items
     */
    private transformItemWithMapping;
    /**
     * Method for finding mapping value
     * @param mapping
     * @param key
     * @returns
     */
    private findValueMapping;
    /**
    * Method for updating a specific item
    * @param item the item to be updated
    */
    updateItem(item?: any): void;
}