getGreatGrandchildString method

String? getGreatGrandchildString(
  1. String childKey,
  2. String grandChildKey,
  3. String greatGrandChildKey
)

Gets a great-grandchild value as String.

Implementation

String? getGreatGrandchildString(
  String childKey,
  String grandChildKey,
  String greatGrandChildKey,
) => getGreatGrandchild(childKey, grandChildKey, greatGrandChildKey) as String?;