presto-rcfile/src/main/java/io/prestosql/rcfile/RcFileDataSourceId.java/RcFileDataSourceId/equals
class RcFileDataSourceId:    @Override
    public boolean equals(Object o)
    {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }
        RcFileDataSourceId that = (RcFileDataSourceId) o;
        return Objects.equals(id, that.id);
    }