code: public static MethodCallExpression buildPutMapExpression(final Expression objectExpression, final String keyName, final Expression valueExpression) {
          return applyDefaultMethodTarget(new MethodCallExpression(objectExpression, "put", new ArgumentListExpression(new ConstantExpression(keyName), valueExpression)), Map.class);
      }
docs: Build static direct call to put entry in Map
  
  @param objectExpression
  @param keyName
  @param valueExpression
  @return The method call expression