import { Store } from '@ngrx/store';
import { ValidationErrors } from 'ngrx-forms';
import { Observable } from 'rxjs';
import { IDxForm } from './form';
export interface AbstractControlStateLike {
    id: string | string[];
    isInvalid: boolean;
    errors: ValidationErrors | null;
    isUntouched: boolean;
    [key: string]: any;
}
export declare class StepControl<FormValue> {
    store$: Store<any>;
    state$: Observable<AbstractControlStateLike>;
    readonly invalid: boolean;
    readonly valid: boolean;
    readonly errors: ValidationErrors;
    state: AbstractControlStateLike;
    readonly id: string | string[];
    constructor(store$: Store<any>, state$: Observable<AbstractControlStateLike>);
    private static mergeStateErrors;
    static FromStepControls<T = any>(store$: Store<any>, ...stepControls: Array<StepControl<any>>): StepControl<T>;
    static FromControls<T = any>(store$: Store<any>, ...controls: Array<IDxForm<any, any>>): StepControl<T>;
}