code: @Deprecated
    public void handleResolvedAddressGroups(
        List<EquivalentAddressGroup> servers,
        @NameResolver.ResolutionResultAttr Attributes attributes) {
      handleResolvedAddresses(
          ResolvedAddresses.newBuilder().setAddresses(servers).setAttributes(attributes).build());
    }
docs: Handles newly resolved server groups and metadata attributes from name resolution system.
  {@code servers} contained in {@link EquivalentAddressGroup} should be considered equivalent
  but may be flattened into a single list if needed.
  
  <p>Implementations should not modify the given {@code servers}.
  
  @param servers the resolved server addresses, never empty.
  @param attributes extra information from naming system.
  @deprecated override {@link #handleResolvedAddresses(ResolvedAddresses) instead}
  @since 1.2.0