export interface IListParams {
    offset: number;
    limit?: number;
    filters?: Record<string, unknown>;
    include?: string[];
    query?: Record<string, string>;
}
export interface IListData {
    items: Record<string, unknown>[];
    offset?: number;
    limit?: number;
    total?: number;
}
export interface IItemParams {
    id: string;
    include?: string[];
    query?: Record<string, string>;
}
export interface IItemData {
    item: Record<string, unknown>;
    relatedItems: Record<string, Record<string, Record<string, unknown>>>;
}
export declare class ValidationError extends TypeError {
    fieldErrors: Record<string, string[]>;
    constructor(fieldErrors: Record<string, string[]>, message?: string);
    get fieldErrorsText(): string;
    toString(): string;
}
export default interface IAdapter {
    getList(endpoint: string, params: IListParams): Promise<IListData>;
    getItem(endpoint: string, params: IItemParams): Promise<IItemData>;
    deleteItem(endpoint: string, id: string): Promise<void>;
    /**
     * Save entity item.
     * @param endpoint entity endpoint
     * @param item entity item object
     * @param id entity identifier (omit to create)
     * @throws {ValidationError} when validation failed
     */
    saveItem(endpoint: string, item: Record<string, unknown>, id?: string): Promise<IItemData>;
}