https://github.com/datastax/native-protocol: A set of Java types representing the frames and messages of the Apache Cassandra® native protocol, with the associated serialization and deserialization logic (this is a third-party implementation, not related to the Apache Cassandra project)
  • Various (DataStax) 
public abstract class com.datastax.oss.protocol.internal.response.Event extends com.datastax.oss.protocol.internal.Message
  minor version: 0
  major version: 59
  flags: flags: (0x0421) ACC_PUBLIC, ACC_SUPER, ACC_ABSTRACT
  this_class: com.datastax.oss.protocol.internal.response.Event
  super_class: com.datastax.oss.protocol.internal.Message
{
  public final java.lang.String type;
    descriptor: Ljava/lang/String;
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL

  protected void <init>(java.lang.String);
    descriptor: (Ljava/lang/String;)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // com.datastax.oss.protocol.internal.response.Event this
        start local 1 // java.lang.String type
         0: .line 35
            aload 0 /* this */
            iconst_1
            bipush 12
            invokespecial com.datastax.oss.protocol.internal.Message.<init>:(ZI)V
         1: .line 36
            aload 0 /* this */
            aload 1 /* type */
            putfield com.datastax.oss.protocol.internal.response.Event.type:Ljava/lang/String;
         2: .line 37
            return
        end local 1 // java.lang.String type
        end local 0 // com.datastax.oss.protocol.internal.response.Event this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lcom/datastax/oss/protocol/internal/response/Event;
            0    3     1  type  Ljava/lang/String;
    MethodParameters:
      Name  Flags
      type  
}
SourceFile: "Event.java"
NestMembers:
  com.datastax.oss.protocol.internal.response.Event$Codec  com.datastax.oss.protocol.internal.response.Event$SubCodec
InnerClasses:
  public Codec = com.datastax.oss.protocol.internal.response.Event$Codec of com.datastax.oss.protocol.internal.response.Event
  public abstract SubCodec = com.datastax.oss.protocol.internal.response.Event$SubCodec of com.datastax.oss.protocol.internal.response.Event