import { Ref } from 'lit/directives/ref.js';
import { ZInput } from './input';
import { ZSelectInput_Props } from '@zurich/dev-utils/code/_OptionsInput';
/** */
export declare abstract class ZPlaceholderInput extends ZInput implements ZSelectInput_Props {
    'search-in-options-text'?: string;
    'options-not-found-text'?: string;
    listRef: Ref<HTMLUListElement>;
    protected get _id(): string;
    get isRequiredInvalid(): boolean;
    protected get _localeMap(): {
        searchInOptions: string;
        noOptionsFound: string;
    };
    protected get _noOptionsEmptyState(): import('lit-html').TemplateResult<1>;
    protected get _getValueIndex(): number;
    protected get _getValue(): string | null;
    protected _setValues(newValue: string | null): void;
    static styles: import('lit').CSSResult;
}