import { OnChanges, OnInit } from '@angular/core';
import { FormGroup, FormControl } from '@angular/forms';
import { Observable, Subject } from 'rxjs';
import { MatDialog } from '@angular/material/dialog';
import { ApiService } from '../../services/api.service';
import { FieldConfig, ForeignKeyControlConfig } from '../../models/metadata';
export declare class ForeignKeyFieldComponent implements OnChanges, OnInit {
    private api;
    private dialog;
    formGroup: FormGroup;
    forcedSearchParams: any;
    config: FieldConfig;
    display_name: FieldConfig;
    initialChoices: any[];
    reset: Subject<any>;
    controlConfig: ForeignKeyControlConfig;
    availableOptions: Observable<any[]>;
    _underlyingCtrl: FormControl;
    hasValue: boolean;
    constructor(api: ApiService, dialog: MatDialog);
    ngOnChanges(): void;
    ngOnInit(): void;
    selectOption(value: any): void;
    fetchById(id?: number | string): void;
    fetch(): void;
    displayFn(option: any): any;
    _filter(value: string): Observable<any>;
    _setControlValue(value: any): void;
    openListingDialog(event: Event): void;
    removeSelection(): void;
}
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