import { DataField } from '../data-fields/models/abstract-data-field';
import { DataGroup } from '../resources/interface/data-groups';
/**
 * @param fields a collection of data fields
 * @param fieldId the id of the desired field
 * @returns a reference to the datafield with the specified id or `undefined` if such datafield could not be found
 */
export declare function getField(fields: Array<DataField<any>>, fieldId: string): DataField<any> | undefined;
/**
 * @param fields a collection of data fields
 * @param fieldId the id of the desired field
 * @returns the index of the datafield with the specified id or `-1` if such datafield could not be found
 */
export declare function getFieldIndex(fields: Array<DataField<any>>, fieldId: string): number;
/**
 * @param groups a list of searched data groups
 * @param fieldId the id of the desired field
 * @returns a reference to the first occurrence of the datafield with the specified id or `undefined` if such datafield could not be found
 */
export declare function getFieldFromDataGroups(groups: Array<DataGroup>, fieldId: string): DataField<any> | undefined;
/**
 * @param groups a list of searched data groups
 * @param fieldId the id of the desired field
 * @returns an object containing the index of the data group and the field within it corresponding to the first occurrence of a
 * datafield with the specified id or `undefined` if such datafield could not be found
 */
export declare function getFieldIndexFromDataGroups(groups: Array<DataGroup>, fieldId: string): DataGroupFieldIndex | undefined;
/**
 * Contains the index of the data group and the index of the field within it that contains some data field
 */
export interface DataGroupFieldIndex {
    dataGroupIndex: number;
    fieldIndex: number;
}