presto-ml/src/main/java/io/prestosql/plugin/ml/LearnLibSvmVarcharClassifierAggregation.java/LearnLibSvmVarcharClassifierAggregation/LearnLibSvmVarcharClassifierAggregation
class LearnLibSvmVarcharClassifierAggregation:    private LearnLibSvmVarcharClassifierAggregation() {}