> ## Documentation Index > Fetch the complete documentation index at: https://cantonfoundation-update-ref-tables.mintlify.site/llms.txt > Use this file to discover all available pages before exploring further. # PackageReferenceOuterClass.PriorTopologySerial.Builder > The serial of last ``VettedPackages`` topology transaction on a given participant and synchronizer. Protobuf type com.daml.ledger.api.v2.PriorTopologySerial ## PackageReferenceOuterClass.PriorTopologySerial.Builder Upstream docs: [Open](https://javadoc.io/doc/com.daml/bindings-java/3.5.6/com/daml/ledger/api/v2/PackageReferenceOuterClass.PriorTopologySerial.Builder.html) **Signature** ```text theme={"theme":{"light":"github-light","dark":"github-dark"}} public static final class PackageReferenceOuterClass.PriorTopologySerial.Builder extends com.google.protobuf.GeneratedMessageV3.Builder implements PackageReferenceOuterClass.PriorTopologySerialOrBuilder ``` **Members** | Docs | Member | Introduced | Deprecated | Removed | | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------ | ---------- | ---------- | ------- | | [Open](https://javadoc.io/doc/com.daml/bindings-java/3.5.6/com/daml/ledger/api/v2/PackageReferenceOuterClass.PriorTopologySerial.Builder.html#addRepeatedField%28com.google.protobuf.Descriptors.FieldDescriptor,java.lang.Object%29) | `addRepeatedField(Descriptors.FieldDescriptor, Object)` | `3.5.6` | - | - | | [Open](https://javadoc.io/doc/com.daml/bindings-java/3.5.6/com/daml/ledger/api/v2/PackageReferenceOuterClass.PriorTopologySerial.Builder.html#build%28%29) | `build()` | `3.5.6` | - | - | | [Open](https://javadoc.io/doc/com.daml/bindings-java/3.5.6/com/daml/ledger/api/v2/PackageReferenceOuterClass.PriorTopologySerial.Builder.html#buildPartial%28%29) | `buildPartial()` | `3.5.6` | - | - | | [Open](https://javadoc.io/doc/com.daml/bindings-java/3.5.6/com/daml/ledger/api/v2/PackageReferenceOuterClass.PriorTopologySerial.Builder.html#clear%28%29) | `clear()` | `3.5.6` | - | - | | [Open](https://javadoc.io/doc/com.daml/bindings-java/3.5.6/com/daml/ledger/api/v2/PackageReferenceOuterClass.PriorTopologySerial.Builder.html#clearField%28com.google.protobuf.Descriptors.FieldDescriptor%29) | `clearField(Descriptors.FieldDescriptor)` | `3.5.6` | - | - | | [Open](https://javadoc.io/doc/com.daml/bindings-java/3.5.6/com/daml/ledger/api/v2/PackageReferenceOuterClass.PriorTopologySerial.Builder.html#clearNoPrior%28%29) | `clearNoPrior()` | `3.5.6` | - | - | | [Open](https://javadoc.io/doc/com.daml/bindings-java/3.5.6/com/daml/ledger/api/v2/PackageReferenceOuterClass.PriorTopologySerial.Builder.html#clearOneof%28com.google.protobuf.Descriptors.OneofDescriptor%29) | `clearOneof(Descriptors.OneofDescriptor)` | `3.5.6` | - | - | | [Open](https://javadoc.io/doc/com.daml/bindings-java/3.5.6/com/daml/ledger/api/v2/PackageReferenceOuterClass.PriorTopologySerial.Builder.html#clearPrior%28%29) | `clearPrior()` | `3.5.6` | - | - | | [Open](https://javadoc.io/doc/com.daml/bindings-java/3.5.6/com/daml/ledger/api/v2/PackageReferenceOuterClass.PriorTopologySerial.Builder.html#clearSerial%28%29) | `clearSerial()` | `3.5.6` | - | - | | [Open](https://javadoc.io/doc/com.daml/bindings-java/3.5.6/com/daml/ledger/api/v2/PackageReferenceOuterClass.PriorTopologySerial.Builder.html#clone%28%29) | `clone()` | `3.5.6` | - | - | | [Open](https://javadoc.io/doc/com.daml/bindings-java/3.5.6/com/daml/ledger/api/v2/PackageReferenceOuterClass.PriorTopologySerial.Builder.html#getDefaultInstanceForType%28%29) | `getDefaultInstanceForType()` | `3.5.6` | - | - | | [Open](https://javadoc.io/doc/com.daml/bindings-java/3.5.6/com/daml/ledger/api/v2/PackageReferenceOuterClass.PriorTopologySerial.Builder.html#getDescriptor%28%29) | `getDescriptor()` | `3.5.6` | - | - | | [Open](https://javadoc.io/doc/com.daml/bindings-java/3.5.6/com/daml/ledger/api/v2/PackageReferenceOuterClass.PriorTopologySerial.Builder.html#getDescriptorForType%28%29) | `getDescriptorForType()` | `3.5.6` | - | - | | [Open](https://javadoc.io/doc/com.daml/bindings-java/3.5.6/com/daml/ledger/api/v2/PackageReferenceOuterClass.PriorTopologySerial.Builder.html#getNoPrior%28%29) | `getNoPrior()` | `3.5.6` | - | - | | [Open](https://javadoc.io/doc/com.daml/bindings-java/3.5.6/com/daml/ledger/api/v2/PackageReferenceOuterClass.PriorTopologySerial.Builder.html#getNoPriorBuilder%28%29) | `getNoPriorBuilder()` | `3.5.6` | - | - | | [Open](https://javadoc.io/doc/com.daml/bindings-java/3.5.6/com/daml/ledger/api/v2/PackageReferenceOuterClass.PriorTopologySerial.Builder.html#getNoPriorOrBuilder%28%29) | `getNoPriorOrBuilder()` | `3.5.6` | - | - | | [Open](https://javadoc.io/doc/com.daml/bindings-java/3.5.6/com/daml/ledger/api/v2/PackageReferenceOuterClass.PriorTopologySerial.Builder.html#getPrior%28%29) | `getPrior()` | `3.5.6` | - | - | | [Open](https://javadoc.io/doc/com.daml/bindings-java/3.5.6/com/daml/ledger/api/v2/PackageReferenceOuterClass.PriorTopologySerial.Builder.html#getSerialCase%28%29) | `getSerialCase()` | `3.5.6` | - | - | | [Open](https://javadoc.io/doc/com.daml/bindings-java/3.5.6/com/daml/ledger/api/v2/PackageReferenceOuterClass.PriorTopologySerial.Builder.html#hasNoPrior%28%29) | `hasNoPrior()` | `3.5.6` | - | - | | [Open](https://javadoc.io/doc/com.daml/bindings-java/3.5.6/com/daml/ledger/api/v2/PackageReferenceOuterClass.PriorTopologySerial.Builder.html#hasPrior%28%29) | `hasPrior()` | `3.5.6` | - | - | | [Open](https://javadoc.io/doc/com.daml/bindings-java/3.5.6/com/daml/ledger/api/v2/PackageReferenceOuterClass.PriorTopologySerial.Builder.html#internalGetFieldAccessorTable%28%29) | `internalGetFieldAccessorTable()` | `3.5.6` | - | - | | [Open](https://javadoc.io/doc/com.daml/bindings-java/3.5.6/com/daml/ledger/api/v2/PackageReferenceOuterClass.PriorTopologySerial.Builder.html#isInitialized%28%29) | `isInitialized()` | `3.5.6` | - | - | | [Open](https://javadoc.io/doc/com.daml/bindings-java/3.5.6/com/daml/ledger/api/v2/PackageReferenceOuterClass.PriorTopologySerial.Builder.html#mergeFrom%28com.google.protobuf.CodedInputStream,com.google.protobuf.ExtensionRegistryLite%29) | `mergeFrom(CodedInputStream, ExtensionRegistryLite)` | `3.5.6` | - | - | | [Open](https://javadoc.io/doc/com.daml/bindings-java/3.5.6/com/daml/ledger/api/v2/PackageReferenceOuterClass.PriorTopologySerial.Builder.html#mergeFrom%28com.google.protobuf.Message%29) | `mergeFrom(Message)` | `3.5.6` | - | - | | [Open](https://javadoc.io/doc/com.daml/bindings-java/3.5.6/com/daml/ledger/api/v2/PackageReferenceOuterClass.PriorTopologySerial.Builder.html#mergeFrom%28com.daml.ledger.api.v2.PackageReferenceOuterClass.PriorTopologySerial%29) | `mergeFrom(PackageReferenceOuterClass.PriorTopologySerial)` | `3.5.6` | - | - | | [Open](https://javadoc.io/doc/com.daml/bindings-java/3.5.6/com/daml/ledger/api/v2/PackageReferenceOuterClass.PriorTopologySerial.Builder.html#mergeNoPrior%28com.google.protobuf.Empty%29) | `mergeNoPrior(Empty)` | `3.5.6` | - | - | | [Open](https://javadoc.io/doc/com.daml/bindings-java/3.5.6/com/daml/ledger/api/v2/PackageReferenceOuterClass.PriorTopologySerial.Builder.html#mergeUnknownFields%28com.google.protobuf.UnknownFieldSet%29) | `mergeUnknownFields(UnknownFieldSet)` | `3.5.6` | - | - | | [Open](https://javadoc.io/doc/com.daml/bindings-java/3.5.6/com/daml/ledger/api/v2/PackageReferenceOuterClass.PriorTopologySerial.Builder.html#setField%28com.google.protobuf.Descriptors.FieldDescriptor,java.lang.Object%29) | `setField(Descriptors.FieldDescriptor, Object)` | `3.5.6` | - | - | | [Open](https://javadoc.io/doc/com.daml/bindings-java/3.5.6/com/daml/ledger/api/v2/PackageReferenceOuterClass.PriorTopologySerial.Builder.html#setNoPrior%28com.google.protobuf.Empty%29) | `setNoPrior(Empty)` | `3.5.6` | - | - | | [Open](https://javadoc.io/doc/com.daml/bindings-java/3.5.6/com/daml/ledger/api/v2/PackageReferenceOuterClass.PriorTopologySerial.Builder.html#setNoPrior%28com.google.protobuf.Empty.Builder%29) | `setNoPrior(Empty.Builder)` | `3.5.6` | - | - | | [Open](https://javadoc.io/doc/com.daml/bindings-java/3.5.6/com/daml/ledger/api/v2/PackageReferenceOuterClass.PriorTopologySerial.Builder.html#setPrior%28int%29) | `setPrior(int)` | `3.5.6` | - | - | | [Open](https://javadoc.io/doc/com.daml/bindings-java/3.5.6/com/daml/ledger/api/v2/PackageReferenceOuterClass.PriorTopologySerial.Builder.html#setRepeatedField%28com.google.protobuf.Descriptors.FieldDescriptor,int,java.lang.Object%29) | `setRepeatedField(Descriptors.FieldDescriptor, int, Object)` | `3.5.6` | - | - | | [Open](https://javadoc.io/doc/com.daml/bindings-java/3.5.6/com/daml/ledger/api/v2/PackageReferenceOuterClass.PriorTopologySerial.Builder.html#setUnknownFields%28com.google.protobuf.UnknownFieldSet%29) | `setUnknownFields(UnknownFieldSet)` | `3.5.6` | - 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