import { DataSource } from '@angular/cdk/collections';
import { Subject } from 'rxjs/Subject';
import { Observable } from 'rxjs/Observable';
import { TableElement } from './table-element';
import { ValidatorService } from './validator.service';
export declare class TableDataSource<T> extends DataSource<TableElement<T>> {
    private validatorService;
    private rowsSubject;
    datasourceSubject: Subject<T[]>;
    private dataConstructor;
    private dataKeys;
    /**
     * Creates a new TableDataSource instance, that can be used as datasource of `@angular/cdk` data-table.
     * @param data Array containing the initial values for the TableDataSource. If not specified, then `dataType` must be specified.
     * @param dataType Type of data contained by the Table. If not specified, then `data` with at least one element must be specified.
     * @param validatorService Service that create instances of the FormGroup used to validate row fields.
     */
    constructor(data: T[], dataType?: new () => T, validatorService?: ValidatorService);
    /**
     * Confirm edition of the row. Save changes and disable editing.
     * If validation active and row data is invalid, it doesn't confirm editing neither disable editing.
     * @param row Row to be edited.
     */
    confirmEdit(row: TableElement<T>): void;
    /**
     * Confirm creation of the row. Save changes and disable editing.
     * If validation active and row data is invalid, it doesn't confirm creation neither disable editing.
     * @param row Row to be confirmed.
     */
    confirmCreate(row: TableElement<T>): void;
    /**
     * Start the creation of a new element, pushing an empty-data row in the table.
     */
    createNew(): void;
    /**
     * Delete the row with the index specified.
     */
    delete(id: number): void;
    /**
     * Get the data from the rows.
     * @param rows Rows to extract the data.
     */
    getDataFromRows(rows: TableElement<T>[]): T[];
    /**
     * Update the datasource with the data contained in the specified rows.
     * @param rows Rows that contains the datasource's new data.
     */
    updateDatasource(rows: TableElement<T>[]): void;
    /**
     * From an array of data, it returns rows containing the original data.
     * @param data Data from which create the rows.
     */
    getRowsFromData(data: T[]): TableElement<T>[];
    /**
     * Create a new object with identical structure than the table source data.
     * It uses the object's type contructor if available, otherwise it creates
     * an object with the same keys of the first element contained in the original
     * datasource (used in the constructor).
     */
    createNewObject(): any;
    /** Connect function called by the table to retrieve one stream containing
     *  the data to render. */
    connect(): Observable<TableElement<T>[]>;
    disconnect(): void;
}