import { EventEmitter, OnInit } from '@angular/core';
import { ColumnDefinition } from 'verben-ng-ui/src/lib/components/data-table';
import { SortCondition, SortOperator, SortDirection } from './data-sort.types';
import * as i0 from "@angular/core";
export declare class DataSortComponent<T> implements OnInit {
    columns: ColumnDefinition<T>[];
    data: T[];
    enableDragAndDrop: boolean;
    sortApplied: EventEmitter<SortCondition[]>;
    resetFilter: EventEmitter<any>;
    sortableColumns: ColumnDefinition<T>[];
    selectedSorts: Map<string, SortDirection>;
    showAllProperties: boolean;
    maxVisibleItems: number;
    draggedIndex: number | null;
    checkAll: boolean;
    selectedColumns: Set<string>;
    ngOnInit(): void;
    private initializeSortableColumns;
    get visibleColumns(): ColumnDefinition<T>[];
    onDragStart(index: number, event: DragEvent): void;
    onDragOver(event: DragEvent): void;
    onDrop(index: number, event: DragEvent): void;
    private swapColumns;
    toggleSelectAll(): void;
    toggleColumnSelection(columnId: string): void;
    isColumnSelected(columnId: string): boolean;
    getSortOperators(column: ColumnDefinition<T>): SortOperator[];
    private determineColumnType;
    updateSort(columnId: string, direction: SortDirection): void;
    isColumnSorted(columnId: string, direction: SortDirection): boolean;
    getColumnHeader(column: ColumnDefinition<T>): string;
    resetAll(): void;
    applySorts(): void;
    get activeSortCount(): number;
    static ɵfac: i0.ɵɵFactoryDeclaration<DataSortComponent<any>, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<DataSortComponent<any>, "lib-data-sort", never, { "columns": { "alias": "columns"; "required": false; }; "data": { "alias": "data"; "required": false; }; "enableDragAndDrop": { "alias": "enableDragAndDrop"; "required": false; }; }, { "sortApplied": "sortApplied"; "resetFilter": "resetFilter"; }, never, never, false, never>;
}