import * as i0 from '@angular/core';
import { OnChanges, SimpleChanges } from '@angular/core';
import * as i3 from '@angular/material/icon';
import { MatIcon } from '@angular/material/icon';
import * as i2 from '@angular/common';

/**
 * Decode the FontAwesome icon font set name from the icon name
 *
 * `'far fa-alarm' => 'far'`
 *
 * `'home' => ''`
 *
 * `'fa-user' => 'fas'`
 */
declare function decodeFAIconFontSet(iconName: string): string;
/**
 * Decode the FontAwesome icon font name from the icon name
 *
 * `'far fa-alarm' => 'fa-alarm'`
 *
 * `'home' => ''`
 *
 * `'fa-user' => 'fa-user'`
 */
declare function decodeFAIconFontName(iconName: string): string;

/**
 * @ignore
 */
declare const BUI_ICON_MAT_VARIANTS: string[];
/**
 * Use this directive, together with `<mat-icon>`, to display an icon font character/symbol
 * from Material or FontAwesome icons.
 *
 * To use the icon fonts, add the following statements to one of your global SCSS files:
 *
 * ```css
 * @import url(https://fonts.googleapis.com/css2?family=Material+Icons);
 * @import url(https://use.fontawesome.com/releases/v5.15.0/css/all.css);
 * ```
 *
 * @example <mat-icon buiIcon="far fa-circle"></mat-icon> <!-- FontAwesome -->
 * @example <mat-icon buiIcon="home" [size]="42"></mat-icon> <!-- Material -->
 */
declare class IconDirective implements OnChanges {
    private _icon;
    /**
     * The icon name
     *
     * @example 'far fa-circle'
     * @example 'home'
     */
    buiIcon: string;
    /**
     * Override the default icon size
     *
     * @default 24
     */
    size: number;
    /**
     * The style variant of Material Icons. It is not applicable for Font Awesome Icons or any other custom font icon sets.
     * @default `filled`
     */
    variant: 'filled' | 'outlined' | 'round' | 'two-tone' | 'sharp';
    constructor(_icon: MatIcon);
    ngOnChanges(_: SimpleChanges): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<IconDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<IconDirective, "[buiIcon]", never, { "buiIcon": { "alias": "buiIcon"; "required": false; }; "size": { "alias": "size"; "required": false; }; "variant": { "alias": "variant"; "required": false; }; }, {}, never, never, false, never>;
}

/**
 * Module for utility functions and directives based on `mat-icon` and icon fonts.
 */
declare class IconFontModule {
    static ɵfac: i0.ɵɵFactoryDeclaration<IconFontModule, never>;
    static ɵmod: i0.ɵɵNgModuleDeclaration<IconFontModule, [typeof IconDirective], [typeof i2.CommonModule, typeof i3.MatIconModule], [typeof i3.MatIconModule, typeof IconDirective]>;
    static ɵinj: i0.ɵɵInjectorDeclaration<IconFontModule>;
}

export { BUI_ICON_MAT_VARIANTS, IconDirective, IconFontModule, decodeFAIconFontName, decodeFAIconFontSet };