https://github.com/datastax/java-driver/java-driver-core: A driver for Apache Cassandra(R) 2.1+ that works exclusively with the Cassandra Query Language version 3 (CQL3) and Cassandra's native protocol versions 3 and above.
  • Various (DataStax) 
class com.datastax.oss.driver.api.core.type.reflect.GenericType$20 extends com.datastax.oss.driver.shaded.guava.common.reflect.TypeParameter<T>
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: com.datastax.oss.driver.api.core.type.reflect.GenericType$20
  super_class: com.datastax.oss.driver.shaded.guava.common.reflect.TypeParameter
{
  void <init>();
    descriptor: ()V
    flags: (0x0000) 
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.datastax.oss.driver.api.core.type.reflect.GenericType$20 this
         0: .line 186
            aload 0 /* this */
            invokespecial com.datastax.oss.driver.shaded.guava.common.reflect.TypeParameter.<init>:()V
            return
        end local 0 // com.datastax.oss.driver.api.core.type.reflect.GenericType$20 this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/datastax/oss/driver/api/core/type/reflect/GenericType$20;
}
Signature: Lcom/datastax/oss/driver/shaded/guava/common/reflect/TypeParameter<TT;>;
SourceFile: "GenericType.java"
EnclosingMethod: com.datastax.oss.driver.api.core.type.reflect.GenericType.optionalOf:(Ljava/lang/Class;)Lcom/datastax/oss/driver/api/core/type/reflect/GenericType;
NestHost: com.datastax.oss.driver.api.core.type.reflect.GenericType
InnerClasses:
  com.datastax.oss.driver.api.core.type.reflect.GenericType$20