import { OnChanges, SimpleChanges } from '@angular/core';
import { BreakpointsStylesManager, ChangesState } from '@airy-ui/cdk';
import * as i0 from "@angular/core";
export declare abstract class AbstractIndentsDirective implements OnChanges {
    protected stylesManager: BreakpointsStylesManager;
    protected changesState: ChangesState<string, string>;
    constructor(stylesManager: BreakpointsStylesManager, changesState: ChangesState<string, string>);
    ngOnChanges(changes: SimpleChanges): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<AbstractIndentsDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<AbstractIndentsDirective, never, never, {}, {}, never>;
}