    >org.apache.flink.formats.avro.typeutils.AvroSerializerSnapshot    %org.apache.avro.generic.GenericRecord{"type":"record","name":"Address","namespace":"org.apache.flink.formats.avro.generated","fields":[{"name":"num","type":"int"},{"name":"street","type":"string"},{"name":"city","type":"string"},{"name":"state","type":"string"},{"name":"zip","type":"string"}]}