import { Type, Injector } from '@angular/core';
import { Observable } from 'rxjs';
import { HttpClient } from '@angular/common/http';
export declare class PropertyDataSourceStandaloneOptions<T = any> {
    /**数据来源 */
    source: PropertyDataSourceOptions['itemSelect'];
    /**级联标志 */
    cascade?: boolean;
    /**实体化类 */
    entity?: Type<T>;
}
export declare class PropertyDataSourceOptions<RESULT = any> {
    /**所有的属性数据来源,多个时,只取第一个,即最靠近属性的一个 */
    source?: (httpClient: HttpClient, injector: Injector, parentResult: Exclude<any, Observable<any>>) => Observable<any>;
    /**级联标志 */
    cascade?: boolean;
    /**是否继承 */
    inherit?: boolean;
    /**如果返回数据是结构化实体需要
     * 定义实体且只有实体,查找实体的source,不使用自身的source
     */
    entity?: Type<any>;
    /**分发到各item中使用 */
    itemSelect?: (
    /**自身类型 */
    item: any, 
    /**当前键名 */
    key: string, 
    /**在列表中的索引位置,单一为0 */
    index: number, 
    /**source中返回的结果 */
    result: RESULT extends Observable<any> ? never : RESULT, 
    /**HttpClient注入 */
    httpClient: HttpClient, 
    /**Injector注入 */
    injector: Injector) => Observable<any>;
}
export declare class PropertyDataSourceOptionsPrivate extends PropertyDataSourceOptions {
    key: string;
    parentEntity: Type<any>;
    /**是否已经继承过 */
    hasInherit?: boolean;
}
export declare class ClassDataSourceOptions {
    /**数据来源 */
    source: (httpClient: HttpClient, injector: Injector, ...args: any[]) => Observable<any>;
    /**是否继承父级,true时直接使用父级source */
    inherit?: boolean;
}
export declare class ClassDataSourceOptionsPrivate extends ClassDataSourceOptions {
    entity: Type<any>;
}