import { QueryBuilder, ColumnsModel, RuleModel, TemplateColumn } from '@syncfusion/ej2-querybuilder';
import { FormNode } from '@syncfusion/ej2-form-renderer';
/** @private */
export declare type FieldType = 'string' | 'number' | 'date' | 'boolean';
/** @private */
export declare function inferFieldType(component: FormNode): FieldType;
/** @private */
export declare function isArrayField(component: FormNode): boolean;
/** @private */
export declare function hasSelectableOptions(component: FormNode): boolean;
/** @private */
export declare function buildOperators(fieldType: FieldType, componentType: string, isArray: boolean): {
    key: string;
    value: string;
}[];
/** @private */
export declare function filterQueryBuilderColumns(componentFields: FormNode[], excludeFieldId: string | undefined, excludeChildIds: string[]): FormNode[];
/** @private */
export declare function buildColumnsForQueryBuilder(componentFields: FormNode[], qb: QueryBuilder | null, excludeFieldId: string | undefined, excludeChildIds: string[], fetchedOptions: Record<string, any[]>, locale: string): ColumnsModel[];
/** @private */
export declare function createColumnTemplate(component: FormNode, qb: QueryBuilder | null, fetchedOptions: Record<string, any[]>, locale: string): TemplateColumn;
/** @private */
declare function resolveUrlOptions(_options: any, fetched: any[]): any[];
/** @private */
export { resolveUrlOptions, RuleModel, ColumnsModel };
/** @private */
export declare function fetchUrlOptionsForFields(componentFields: FormNode[], fetched: Record<string, any[]>, controllers: Record<string, AbortController>): Promise<void>;