import * as i0 from "@angular/core";
declare const Theme: {
    Material: "material";
    Fluent: "fluent";
    Bootstrap: "bootstrap";
    IndigoDesign: "indigo";
};
/**
 * Determines the component theme.
 */
export type IgxTheme = (typeof Theme)[keyof typeof Theme];
export declare class ThemeService {
    private document;
    /**
     * Sets the theme of the component.
     * Allowed values of type IgxTheme.
     */
    theme: IgxTheme;
    private theme$;
    constructor(document: any);
    private init;
    static ɵfac: i0.ɵɵFactoryDeclaration<ThemeService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<ThemeService>;
}
export {};
