code: public static void setSchemaTypeInfo(Configuration conf, StructTypeInfo schemaTypeInfo) {
      if (schemaTypeInfo != null) {
        conf.set(SCHEMA_TYPE_INFO, schemaTypeInfo.getTypeName());
        LOG.debug("Set schema typeInfo on conf: {}", schemaTypeInfo);
      }
    }
docs: Sets the StructTypeInfo that declares the total schema of the file in the configuration