import { AfterViewInit, ElementRef } from '@angular/core';
import { Nullable } from '@angular-ru/cdk/typings';
import { AbstractFlexLayoutDirective } from './abstract-flex-layout.directive';
import * as i0 from "@angular/core";
export declare class FlexColumnDirective extends AbstractFlexLayoutDirective implements AfterViewInit {
    protected readonly el: ElementRef;
    flexDirection: Nullable<string>;
    constructor(el: ElementRef);
    ngAfterViewInit(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<FlexColumnDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<FlexColumnDirective, "[flex-column]", never, { "flexDirection": "flex-direction"; }, {}, never>;
}
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