import Component from '@glimmer/component';
import ThemeService from 'ember-material-tailwind/services/theme';
interface UnderlineArgs {
    color: string;
    outlined: boolean;
    focused: boolean;
    error: boolean;
}
export default class Underline extends Component<UnderlineArgs> {
    theme: ThemeService;
    private _underlineDefault;
    constructor(owner: unknown, args: UnderlineArgs);
    /**
      Provides the tailwind classes depending on the button type
  
      @field classes
      @type string
    */
    get classes(): string;
}
export {};