presto-main/src/main/java/io/prestosql/sql/planner/iterative/rule/DesugarCurrentPath.java/DesugarCurrentPath/getCall
class DesugarCurrentPath:    public static FunctionCall getCall(CurrentPath node, Metadata metadata)
    {
        return new FunctionCallBuilder(metadata)
                .setName(QualifiedName.of("$current_path"))
                .build();
    }