code: private LocalVariable getJDBCSupport(CodeBuilder b) {
          pushJDBCSupport(b);
          LocalVariable supportVar =
              b.createLocalVariable("support", TypeDesc.forClass(JDBCSupport.class));
          b.storeLocal(supportVar);
          return supportVar;
      }
docs: Generates code to get the JDBCSupport instance and store it in a local
  variable.