import { OnChanges, SimpleChanges, OnInit, EventEmitter } from '@angular/core';
import { FormGroup } from '@angular/forms';
import { Observable, Subject } from 'rxjs';
import { Metadata, FieldConfig, ErrorMessage } from '../../models/metadata';
export declare class FormFieldComponent implements OnChanges, OnInit {
    formGroup: FormGroup;
    mode: string;
    forcedSearchParams: any;
    config: FieldConfig;
    choices: any[];
    reset: Subject<any>;
    elementDeleted: EventEmitter<any>;
    type: string;
    filteredOptions: Observable<any[]>;
    foreign_model?: Metadata;
    get f(): {
        [key: string]: import("@angular/forms").AbstractControl;
    };
    constructor();
    ngOnChanges(changes: SimpleChanges): void;
    deleteAttachment(event: any): void;
    ngOnInit(): void;
    checkValidity(): void;
    getFieldErrorMessage(type: string): string | ErrorMessage;
}
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