import { ElementRef } from '@angular/core';
import * as i0 from "@angular/core";
export declare class SelectOption {
    elementRef: ElementRef;
    icon: string;
    private _value;
    private _disabled;
    constructor(elementRef: ElementRef);
    set value(value: any);
    get value(): any;
    set disabled(value: boolean);
    get disabled(): boolean;
    /**
     * Returns the value of the option as displayed in the view, i.e. a string representation.
     */
    get viewValue(): string;
    private isPrimitive;
    static ɵfac: i0.ɵɵFactoryDeclaration<SelectOption, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<SelectOption, "gtx-option", never, { "icon": "icon"; "value": "value"; "disabled": "disabled"; }, {}, never>;
}
export declare class SelectOptionGroup {
    label: string;
    set disabled(value: boolean);
    get disabled(): boolean;
    private _disabled;
    private _options;
    get options(): SelectOption[];
    static ɵfac: i0.ɵɵFactoryDeclaration<SelectOptionGroup, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<SelectOptionGroup, "gtx-optgroup", never, { "label": "label"; "disabled": "disabled"; }, {}, ["_options"]>;
}