import { isUndefined, map } from "lodash"
import FIELDS, { FieldsOptions } from "./FIELDS"
import { ContainerFieldName, FieldName, FormFields } from "../types/fields"

/**
 * Returns child field names when passed in a parent's dataname
 * 
 * View Documentation - https://learn.fulcrumapp.com/dev/expressions/reference/fieldnames/
 * @param dataName (String, required): parent field's data name
 * @param options (Object, optional); object indicating if result should be flattened recursively,
 * e.g. `{ repeatables: boolean, sections: boolean }`
 * @returns array of child field names
 */

export default function FIELDNAMES(dataName: ContainerFieldName, options?: FieldsOptions ): FieldName[] | undefined
export default function FIELDNAMES(dataName: ContainerFieldName): FieldName[] | undefined
export default function FIELDNAMES(dataName: ContainerFieldName, options = {}): FieldName[] | undefined {
  return undefined;
}