import { ElementRef, OnChanges, OnDestroy, OnInit, Renderer2 } from '@angular/core';
import { LyIconService } from './icon.service';
import { LyTheme2, ThemeVariables, StyleRenderer } from '@alyle/ui';
import { Platform } from '@angular/cdk/platform';
import * as i0 from "@angular/core";
export declare const STYLES: (theme: ThemeVariables) => {
    $priority: number;
    $global: (_className: string) => string;
    root: () => (_className: string) => string;
    loading: (_className: string) => string;
    defaultIcon: (_className: string) => string;
};
/** @docs-private */
export declare class LyIconBase {
    _theme: LyTheme2;
    constructor(_theme: LyTheme2);
}
/** @docs-private */
export declare const LyIconMixinBase: import("@alyle/ui/src/common/constructor").Constructor<import("@alyle/ui/src/common/build-common-behaviors").CanStyleUpdater> & import("@alyle/ui/src/common/constructor").Constructor<import("@alyle/ui/src/common/bg").CanBg> & import("@alyle/ui/src/common/constructor").Constructor<import("@alyle/ui/src/common/color").CanColor> & import("@alyle/ui/src/common/constructor").Constructor<import("@alyle/ui/src/common/raised").CanRaised> & import("@alyle/ui/src/common/constructor").Constructor<import("@alyle/ui/src/common/outlined").CanOutlined> & import("@alyle/ui/src/common/constructor").Constructor<import("@alyle/ui/src/common/elevation").CanElevation> & import("@alyle/ui/src/common/constructor").Constructor<import("@alyle/ui/src/common/shadow-color").CanShadowColor> & typeof LyIconBase;
export declare class LyIcon extends LyIconMixinBase implements OnChanges, OnInit, OnDestroy {
    private iconService;
    private _el;
    private _renderer;
    readonly sRenderer: StyleRenderer;
    private _platform;
    readonly classes: import("@alyle/ui").LyClasses<(theme: ThemeVariables) => {
        $priority: number;
        $global: (_className: string) => string;
        root: () => (_className: string) => string;
        loading: (_className: string) => string;
        defaultIcon: (_className: string) => string;
    }>;
    private _icon;
    private _fontSet;
    private _previousFontSet;
    private _currentClass;
    private _fontIcon;
    private _iconElement?;
    get icon(): string;
    set icon(val: string);
    get fontSet(): string;
    set fontSet(key: string);
    get fontIcon(): string;
    set fontIcon(key: string);
    /** @docs-private */
    get hostElement(): any;
    constructor(iconService: LyIconService, _el: ElementRef, _renderer: Renderer2, theme: LyTheme2, sRenderer: StyleRenderer, _platform: Platform);
    ngOnChanges(): void;
    private _isDefault;
    private _prepareSvgIcon;
    private _appendChild;
    private _addDefaultIcon;
    private _updateClass;
    ngOnInit(): void;
    ngOnDestroy(): void;
    /**
     * run only browser
     * remove current icon
     */
    private _cleanIcon;
    private _updateFontClass;
    static ɵfac: i0.ɵɵFactoryDeclaration<LyIcon, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<LyIcon, "ly-icon", ["lyIcon"], { "bg": { "alias": "bg"; "required": false; }; "color": { "alias": "color"; "required": false; }; "raised": { "alias": "raised"; "required": false; }; "outlined": { "alias": "outlined"; "required": false; }; "elevation": { "alias": "elevation"; "required": false; }; "shadowColor": { "alias": "shadowColor"; "required": false; }; "icon": { "alias": "icon"; "required": false; }; "fontSet": { "alias": "fontSet"; "required": false; }; "fontIcon": { "alias": "fontIcon"; "required": false; }; }, {}, never, never, false, never>;
}