import "../../components/button/Button";
import "../../components/form/Form";
import "../../components/input/Input";
import { LitElement, PropertyValues } from "lit";
export declare class FormSandbox extends LitElement {
    private isFormValid;
    private isNameFilled;
    private isCityFilled;
    handleFormSubmit(event: Event): void;
    handleNameInput(event: InputEvent): void;
    handleCityInput(event: InputEvent): void;
    connectedCallback(): void;
    disconnectedCallback(): void;
    protected update(changedProperties: PropertyValues): void;
    render(): import("lit-html").TemplateResult<1>;
}
export declare const formTemplate: import("lit-html").TemplateResult<1>;
