import type { ReactiveController } from 'lit';
import type { DirectiveResult } from 'lit/directive.js';
import type { Observable } from 'rxjs';
import type { FormGroup } from '../component-model/form-group';
import type { FormGroupComponents, ResetEvent, SubmittedEvent, ValidateEvent } from '../common/types';
export declare interface ValidateOptions {
    readonly failOnFirstInvalid?: boolean;
}
export interface FormController<TComponents extends FormGroupComponents> extends FormGroup<TComponents>, ReactiveController {
    readonly isValidatedFromSubmit: boolean;
    readonly onReset: Observable<ResetEvent>;
    readonly onValidate: Observable<ValidateEvent>;
    readonly onSubmit: Observable<SubmittedEvent<TComponents>>;
    submit(): void;
    validate(options?: ValidateOptions): boolean;
    attach(): DirectiveResult;
}