presto-hive/src/main/java/io/prestosql/plugin/hive/rcfile/RcFilePageSourceFactory.java/RcFilePageSourceFactory/RcFilePageSourceFactory
class RcFilePageSourceFactory:    @Inject
    public RcFilePageSourceFactory(TypeManager typeManager, HdfsEnvironment hdfsEnvironment, FileFormatDataSourceStats stats)
    {
        this.typeManager = requireNonNull(typeManager, "typeManager is null");
        this.hdfsEnvironment = requireNonNull(hdfsEnvironment, "hdfsEnvironment is null");
        this.stats = requireNonNull(stats, "stats is null");
    }