import { Type } from '../model';
import { FilterTypeGenerator } from './filter-input-types';
import { QueryNodeField } from './query-node-object-type';
import { RootFieldHelper } from './root-field-helper';
/**
 * Augments list fields with filter features
 */
export declare class FilterAugmentation {
    private readonly filterTypeGenerator;
    private readonly rootFieldHelper;
    constructor(filterTypeGenerator: FilterTypeGenerator, rootFieldHelper: RootFieldHelper);
    augment(schemaField: QueryNodeField, itemType: Type): QueryNodeField;
}