import 'reflect-metadata';
import { Widget } from './widgets';
import { ApiService, OptionField } from './api.service';
import { Observable } from 'rxjs';
import { Dictionary } from './utility-types';
/**
 * Options for a serializer field. All are optional.
 */
export interface FieldOptions {
    type?: any;
    widget?: string | Widget;
    many?: boolean;
    required?: boolean;
    defaultValue?: any;
    readOnly?: boolean;
    writeOnly?: boolean;
    helpText?: string;
    isSerializer?: boolean;
}
/**
 * Set a model field in a serializer. For example:
 *
 * export class Specie extends SerializerService {
 *   @Field() field_name: string;
 *   @Field() other_model: OtherModel;
 *   @Field({many: true}) instances: SubModel[];
 * }
 *
 * @param options: options for a field. See FieldOptions.
 */
export declare function Field(options?: FieldOptions): (target: object, key: string) => void;
export declare class SerializerService {
    _api: ApiService;
    pk: string | number;
    constructor(api: any, data: any);
    /**
     * Get field names in this serializer
     */
    static get fieldNames(): string[];
    static get _className(): string;
    static getApiClass(): any;
    /**
     * Update this object using data. All parameters are overwrite using
     * PUT method.
     *
     * @param data: parameters for overwrite.
     */
    update(data: Dictionary<any>): Observable<any>;
    /**
     * Update this object using data. All parameters are overwrite using
     * PATCH method.
     *
     * @param data: parameters for overwrite.
     */
    partial_update(data: Dictionary<any>): Observable<any>;
    /**
     * Update the object server using overwrited data in this instance.
     *
     */
    save(): Observable<any>;
    /**
     * Delete this object in the server
     */
    delete(): Observable<any>;
    /**
     * Get instance parameters.
     */
    getData(): {};
    /**
     * Get options for a field. It has the information about the field like the label.
     * The information is loaded from the server using OPTIONS
     *
     * @param fieldName: name of the field. Double low bar can be used to access a nested model.
     */
    getOptionField(fieldName: string): Observable<OptionField>;
    /**
     * Get the display name for a field with choices. Names are loaded from the server.
     *
     * @param fieldName: name of the field. Double low bar can be used to access a nested model.
     */
    getDisplay(fieldName: string): Observable<string>;
    /**
     * Get value for a field name in this instance or a nested model in this insntace.
     *
     * @param fieldName: name of the field. Double low bar can be used to access a nested model.
     */
    getValue(fieldName: any): any;
    getName(): string;
    toString(): string;
    private transformData;
}