import * as i0 from '@angular/core';
import { AfterContentInit, QueryList } from '@angular/core';
import { NgDocOptionComponent } from '@ng-doc/ui-kit/components/option';

declare class NgDocOptionGroupHeaderDirective {
    static ɵfac: i0.ɵɵFactoryDeclaration<NgDocOptionGroupHeaderDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<NgDocOptionGroupHeaderDirective, "[ngDocOptionGroupHeader]", never, {}, {}, never, never, true, never>;
}
declare class NgDocOptionGroupComponent<T> implements AfterContentInit {
    private changeDetectorRef;
    options: QueryList<NgDocOptionComponent<T>>;
    hasHeader: boolean;
    private readonly destroyRef;
    constructor();
    ngAfterContentInit(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<NgDocOptionGroupComponent<any>, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<NgDocOptionGroupComponent<any>, "ng-doc-option-group", never, {}, {}, ["options"], ["[ngDocOptionGroupHeader]", "*"], true, never>;
}

export { NgDocOptionGroupComponent, NgDocOptionGroupHeaderDirective };