import { OnInit, OnChanges, ElementRef, EventEmitter } from '@angular/core';
import { SortDirection } from '../../models/sort.model';
export declare class SortIconComponent implements OnInit, OnChanges {
    private el;
    column: string;
    activeColumn: string;
    activeDirection: SortDirection;
    sort: EventEmitter<string>;
    isActive: boolean;
    constructor(el: ElementRef);
    ngOnChanges(): void;
    ngOnInit(): void;
}