import { FormBuilder, FormControl, FormGroup } from '@angular/forms';
import * as i0 from "@angular/core";
export declare class BaseFormHelperService {
    protected fb: FormBuilder;
    /** carries the form model into angular formGroup */
    private _form;
    set form(formGroup: FormGroup);
    get form(): FormGroup;
    /**
     * Get the child formGroup from root formGroup with help of provided path
     * @param path name of group
     * @returns child group from root formGroup
     */
    getGroup(path: string): FormGroup<any>;
    /**
     * Get formControl from root formGroup with help of provided path
     * @param path path of cotnrol
     * @returns control from formGroup
     */
    getControl(path: string): FormControl<any>;
    /**
     * Get error type of control to show in validations
     * @param path path of form control
     * @param group FormGroup to search path in
     * @returns error state of control
     * @example
     * ```
     * getErrorMessage('firstName') // finds in main FormGroup in service class
     * getErrorMessage('firstName', personalDetailsGroup) // finds in FormGroup passed as an argument
     * ```
     */
    getErrorMessage(path: string, group?: FormGroup): string | null;
    /**
     * @protected
     * create form and assign to the form property
     */
    protected createForm(model: any): void;
    constructor(fb: FormBuilder);
    static ɵfac: i0.ɵɵFactoryDeclaration<BaseFormHelperService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<BaseFormHelperService>;
}