getFormulaFields method
Returns the formula fields/properties.
Implementation
@override
Future<Map<String, Object>> getFormulaFields(String formulaName) async {
var map = await _httpClient.getJSON('get-formulas-fields',
parameters: {'formula': formulaName}) as Map?;
map ??= {};
return map.map((key, value) => MapEntry('$key', value));
}