import { OnInit, OnDestroy, EventEmitter } from '@angular/core';
import { JkFormBuilderService } from './jk-form-builder.service';
import { Subscription } from 'rxjs';
import { JkFormBuilderConfig } from './interface/jk-form-builder-config';
import { JkFormTypeSelectionInterface } from './interface/jk-form-type-selection.interface';
export declare class JkFormBuilderComponent implements OnInit, OnDestroy {
    private service;
    editable: boolean;
    enableSaveReset: boolean;
    config: JkFormBuilderConfig;
    event: EventEmitter<{
        name: string;
        data?: any;
    }>;
    forms?: JkFormTypeSelectionInterface[];
    private initialFields;
    subs: Subscription[];
    isEdit: boolean;
    isEditForm: boolean;
    show: boolean;
    mode: 'edit' | 'preview';
    private savedFields;
    private beforePreviewFields;
    constructor(service: JkFormBuilderService);
    ngOnInit(): Promise<void>;
    private setFormsListOptions;
    private loadForms;
    private backup;
    private putInitialFields;
    private watchEvents;
    private applyFormAction;
    private deleteInput;
    private insertRow;
    private deleteRow;
    private duplicate;
    private deleteFieldGroupMembersID;
    private addColumn;
    private addRow;
    private updateInput;
    private reloadForm;
    private resetForm;
    save(): void;
    reset(): void;
    setMode(mode: 'edit' | 'preview'): Promise<void>;
    modeButtonClass(mode: string): "success" | "secondary";
    ngOnDestroy(): void;
}