@java.lang.Override
    public Builder mergeFrom(
        com.google.protobuf.CodedInputStream input,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws java.io.IOException {
      if (extensionRegistry == null) {
        throw new java.lang.NullPointerException();
      }
      try {
        boolean done = false;
        while (!done) {
          int tag = input.readTag();
          switch (tag) {
            case 0:
              done = true;
              break;
            case 26:
              {
                awsRegion_ = input.readStringRequireUtf8();
                bitField0_ |= 0x00000002;
                break;
              } // case 26
            case 32:
              {
                state_ = input.readEnum();
                bitField0_ |= 0x00000004;
                break;
              } // case 32
            case 42:
              {
                input.readMessage(getErrorFieldBuilder().getBuilder(), extensionRegistry);
                bitField0_ |= 0x00000008;
                break;
              } // case 42
            case 58:
              {
                java.lang.String s = input.readStringRequireUtf8();
                ensureInventorySecurityGroupNamesIsMutable();
                inventorySecurityGroupNames_.add(s);
                break;
              } // case 58
            case 66:
              {
                com.google.protobuf.MapEntry<java.lang.String, java.lang.String>
                    migrationResourcesUserTags__ =
                        input.readMessage(
                            MigrationResourcesUserTagsDefaultEntryHolder.defaultEntry
                                .getParserForType(),
                            extensionRegistry);
                internalGetMutableMigrationResourcesUserTags()
                    .getMutableMap()
                    .put(
                        migrationResourcesUserTags__.getKey(),
                        migrationResourcesUserTags__.getValue());
                bitField0_ |= 0x00000040;
                break;
              } // case 66
            case 74:
              {
                publicIp_ = input.readStringRequireUtf8();
                bitField0_ |= 0x00000080;
                break;
              } // case 74
            case 82:
              {
                com.google.cloud.vmmigration.v1.AwsSourceDetails.Tag m =
                    input.readMessage(
                        com.google.cloud.vmmigration.v1.AwsSourceDetails.Tag.parser(),
                        extensionRegistry);
                if (inventoryTagListBuilder_ == null) {
                  ensureInventoryTagListIsMutable();
                  inventoryTagList_.add(m);
                } else {
                  inventoryTagListBuilder_.addMessage(m);
                }
                break;
              } // case 82
            case 90:
              {
                input.readMessage(getAccessKeyCredsFieldBuilder().getBuilder(), extensionRegistry);
                credentialsTypeCase_ = 11;
                break;
              } // case 90
            default:
              {
                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
                  done = true; // was an endgroup tag
                }
                break;
              } // default:
          } // switch (tag)
        } // while (!done)
      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
        throw e.unwrapIOException();
      } finally {
        onChanged();
      } // finally
      return this;
    }
<pre>
AwsSourceDetails message describes a specific source details for the
AWS source type.
</pre>

Protobuf type {@code google.cloud.vmmigration.v1.AwsSourceDetails}
java-vmmigration/proto-google-cloud-vmmigration-v1/src/main/java/com/google/cloud/vmmigration/v1/AwsSourceDetails.java