import { OnChanges, SimpleChanges } from '@angular/core';
import { MatIconRegistry } from '@angular/material/icon';
import { DomSanitizer } from '@angular/platform-browser';
export declare abstract class LoaderComponentToken {
    protected _isLoading: boolean | null;
    abstract get isLoading(): boolean | null;
    abstract set isLoading(value: boolean | null);
}
export declare class LoaderComponent extends LoaderComponentToken implements OnChanges {
    private _matIconRegistry;
    private _domSanitizer;
    private _itemWidth;
    private _itemHeight;
    constructor(_matIconRegistry: MatIconRegistry, _domSanitizer: DomSanitizer);
    ngOnChanges(changes: SimpleChanges): void;
    get isLoading(): boolean | null;
    set isLoading(value: boolean | null);
}