import { DomPortal } from '@angular/cdk/portal';
import { AfterViewInit } from '@angular/core';
import * as i0 from "@angular/core";
/**
 * Primary text of a listbox option. Useful when the option contains other parts
 * like secondary text or icon.
 */
export declare class OptionPrimaryTextDirective implements AfterViewInit {
    contentPortal?: DomPortal<HTMLElement>;
    private content?;
    ngAfterViewInit(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<OptionPrimaryTextDirective, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<OptionPrimaryTextDirective, "sp-option-primary-text", never, {}, {}, never, ["*"], false, never>;
}