There is no hard code in the source. I had the same problem as fixing org.eclipse.jdt.ui {version} .jar:
- org \ eclipse \ JDT \ internal \ corext \ refactoring \ Sef \ SelfEncapsulateFieldRefactoring
change in constructor fEncapsulateDeclaringClass= true;tofEncapsulateDeclaringClass= false;
- \\JDT\\\\\SelfEncapsulateFieldInputPage
createFieldAccessBlock, setSelected(true) "keep reference".