/** * <code>optional .alluxio.proto.shared.AccessControlList acl = 14;</code> */ private com.google.protobuf.SingleFieldBuilderV3< alluxio.proto.shared.Acl.AccessControlList, alluxio.proto.shared.Acl.AccessControlList.Builder, alluxio.proto.shared.Acl.AccessControlListOrBuilder> getAclFieldBuilder() { if (aclBuilder_ == null) { aclBuilder_ = new com.google.protobuf.SingleFieldBuilderV3< alluxio.proto.shared.Acl.AccessControlList, alluxio.proto.shared.Acl.AccessControlList.Builder, alluxio.proto.shared.Acl.AccessControlListOrBuilder>( getAcl(), getParentForChildren(), isClean()); acl_ = null; } return aclBuilder_; }