https://avro.apache.org: Avro core components (The Apache Software Foundation) 
public interface org.apache.avro.io.DatumWriter<D>
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: org.apache.avro.io.DatumWriter
  super_class: java.lang.Object
{
  public abstract void setSchema(org.apache.avro.Schema);
    descriptor: (Lorg/apache/avro/Schema;)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
        Name  Flags
      schema  

  public abstract void write(D, org.apache.avro.io.Encoder);
    descriptor: (Ljava/lang/Object;Lorg/apache/avro/io/Encoder;)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException
    Signature: (TD;Lorg/apache/avro/io/Encoder;)V
    MethodParameters:
       Name  Flags
      datum  
      out    
}
Signature: <D:Ljava/lang/Object;>Ljava/lang/Object;
SourceFile: "DatumWriter.java"