import { ElementRef, OnChanges, Renderer2, SimpleChanges } from '@angular/core';
import * as i0 from "@angular/core";
export declare type NesIconName = NesIconReactionName | NesIconSnsName | NesIconOtherName;
export declare type NesIconSize = 'small' | 'medium' | 'large';
export declare type NesIconState = 'half' | 'transparent' | 'empty';
export declare type NesIconReactionName = 'heart' | 'star' | 'like';
export declare type NesIconSnsName = 'twitter' | 'facebook' | 'instagram' | 'github' | 'google' | 'gmail' | 'medium' | 'linkedin' | 'twitch' | 'youtube' | 'reddit' | 'whatsapp';
export declare type NesIconOtherName = 'close' | 'trophy' | 'coin';
export declare class NesIconDirective implements OnChanges {
    private readonly _elementRef;
    private readonly _renderer;
    icon?: NesIconName;
    size?: NesIconSize;
    state?: NesIconState;
    constructor(_elementRef: ElementRef<HTMLElement>, _renderer: Renderer2);
    ngOnChanges(change: SimpleChanges): void;
    private _handleClassChange;
    static ɵfac: i0.ɵɵFactoryDeclaration<NesIconDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<NesIconDirective, "i[nes-icon]", never, { "icon": "icon"; "size": "size"; "state": "state"; }, {}, never>;
}