public org.apache.samza.sql.avro.schemas.ComplexUnion.Builder setNonNullableUnionValue(java.lang.Object value) {
      validate(fields()[0], value);
      this.non_nullable_union_value = value;
      fieldSetFlags()[0] = true;
      return this;
    }
Sets the value of the 'non_nullable_union_value' field
samza-sql/src/test/java/org/apache/samza/sql/avro/schemas/ComplexUnion.java