return castOptional(SchemaNodeBuilder.class, findCaseInChoice((ChoiceBuilder) parent, child));
} else if (parent instanceof RpcDefinitionBuilder) {
return castOptional(SchemaNodeBuilder.class, findContainerInRpc((RpcDefinitionBuilder) parent, child));
return castOptional(SchemaNodeBuilder.class, findCaseInChoice((ChoiceBuilder) parent, child));
} else if (parent instanceof RpcDefinitionBuilder) {
return castOptional(SchemaNodeBuilder.class, findContainerInRpc((RpcDefinitionBuilder) parent, child));