How to use the @nebular/theme.NbDialogModule.forChild function in @nebular/theme

];

const ENTRY_COMPONENTS = [
  ShowcaseDialogComponent,
  DialogNamePromptComponent,
  WindowFormComponent,
  NgxPopoverCardComponent,
  NgxPopoverFormComponent,
  NgxPopoverTabsComponent,
];

const MODULES = [
  FormsModule,
  ThemeModule,
  ModalOverlaysRoutingModule,
  NbDialogModule.forChild(),
  NbWindowModule.forChild(),
  NbCardModule,
  NbCheckboxModule,
  NbTabsetModule,
  NbPopoverModule,
  NbButtonModule,
  NbInputModule,
  NbSelectModule,
];

const SERVICES = [
];

@NgModule({
  imports: [
    ...MODULES,

import { AddEditAccountComponent } from './add-edit-account/add-edit-account.component';
import { FormsModule, ReactiveFormsModule } from '@angular/forms';
import { NgxMaskModule } from 'ngx-mask';

@NgModule({
  declarations: [AccountsComponent, AddEditAccountComponent],
  imports: [
    CommonModule,
    AccountsRoutingModule,
    NbCardModule,
    NbIconModule,
    NgxDatatableModule,
    NbInputModule,
    NbButtonModule,
    NbTooltipModule,
    NbDialogModule.forChild(),
    NbStepperModule,
    FormsModule,
    ReactiveFormsModule,
    NbSelectModule,
    NbCheckboxModule,
    NgxMaskModule.forChild(),
    NbAlertModule,
    NbActionsModule,
    NbSpinnerModule,
    NbLayoutModule,
  ],
  entryComponents: [AccountsComponent, AddEditAccountComponent]
})
export class AccountsModule { }