presto-parser/src/main/java/io/prestosql/sql/parser/StatementSplitter.java/StatementSplitter/Statement
class StatementSplitter:        public Statement(String statement, String terminator)
        {
            this.statement = requireNonNull(statement, "statement is null");
            this.terminator = requireNonNull(terminator, "terminator is null");
        }