import { ElementRef } from '@angular/core';
import { BehaviorSubject } from 'rxjs';
export declare class GasTableSortingComponent {
    el: ElementRef;
    sort$: BehaviorSubject<"default" | "desc" | "asc">;
    key$: BehaviorSubject<string>;
    isDesc$: BehaviorSubject<boolean>;
    set sort(sorting: 'default' | 'asc' | 'desc');
    get sort(): 'default' | 'asc' | 'desc';
    set key(key: string);
    get key(): string;
    set isDesc(isDesc: boolean);
    get isDesc(): boolean;
    constructor(el: ElementRef);
}