operator [] method

String operator [](
  1. String key
)

Implementation

String operator [](String key) {
  if (queryParameters != null) {
    return queryParameters![key] as String? ?? '';
  }

  if (headers != null) {
    return headers![key] ?? '';
  }

  if (extra != null) {
    return extra![key] as String? ?? '';
  }

  return '';
}