pub fn fold_alter_system_set_statement<F, T: AstInfo, T2: AstInfo>(
folder: &mut F,
node: AlterSystemSetStatement,
) -> AlterSystemSetStatementpub fn fold_alter_system_set_statement<F, T: AstInfo, T2: AstInfo>(
folder: &mut F,
node: AlterSystemSetStatement,
) -> AlterSystemSetStatement