import { ChangeDetectorRef, ElementRef, EventEmitter, OnChanges, SimpleChanges } from '@angular/core';
import { BreakpointObserver } from '../../breakpoint-observer';
import * as i0 from "@angular/core";
export declare const SORTABLE_ICON = "chevron-down";
export declare const SORTED_ASCENDING_ICON = "arrow-down";
export declare const SORTED_DESCENDING_ICON = "arrow-up";
export declare class TableSortableHeaderCellComponent implements OnChanges {
    private breakpointObserver;
    private cdr;
    enabled: boolean;
    active: boolean;
    isDescending: boolean;
    center: boolean;
    sort: EventEmitter<any>;
    cellElement?: ElementRef;
    icon?: string;
    constructor(breakpointObserver: BreakpointObserver, cdr: ChangeDetectorRef);
    ngOnChanges(changes: SimpleChanges): void;
    private updateIcon;
    static ɵfac: i0.ɵɵFactoryDeclaration<TableSortableHeaderCellComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<TableSortableHeaderCellComponent, "pa-table-sortable-header-cell", never, { "enabled": { "alias": "enabled"; "required": false; }; "active": { "alias": "active"; "required": false; }; "isDescending": { "alias": "isDescending"; "required": false; }; "center": { "alias": "center"; "required": false; }; }, { "sort": "sort"; }, never, ["*"], false, never>;
    static ngAcceptInputType_enabled: unknown;
    static ngAcceptInputType_active: unknown;
    static ngAcceptInputType_isDescending: unknown;
    static ngAcceptInputType_center: unknown;
}