| ItemInt32 | Alternative to using the Children collection when the node is of type Array, that gets a child node keyed on its array index. |
| ItemString | Alternative to using the Children collection when the node is of type Object, that gets a child node keyed on its name. If duplicate named siblings exist, reacts as per the unexpectedDuplicateSiblingReaction parameter of the current object's constructor. If no child with the specified name exists, throws a JsonNodeMemberNotFoundException. If the node is not of type Object, throws an InvalidOperationException. |