package innovimax.mixthem.operation;

public enum CellOperation { 
  DEFAULT_SPLIT_CELL_REGEX("\\s"),
  DEFAULT_CELL_SEPARATOR(" ");

  private String value;

  private CellOperation(String value) {
    this.value = value;
  }

  @Override
  public String toString() {
    return this.value;
  }

}

@@ -31,16 +31,64 @@
 ation;%0A%0A
+import innovimax.mixthem.arguments.ParamValue;%0A%0A
 public e
@@ -185,22 +185,26 @@
 private 
-String
+ParamValue
  value;%0A
@@ -235,21 +235,17 @@
 (String 
-value
+s
 ) %7B%0A    
@@ -257,21 +257,42 @@
 value = 
-value
+ParamValue.createString(s)
 ;%0A  %7D%0A%0A 
@@ -327,24 +327,96 @@
 oString() %7B%0A
+    return this.value.asString();%0A  %7D%0A%0A  public ParamValue getValue() %7B%0A
     return t

Update CellOperation.java