src/com/google/javascript/rhino/jstype/FunctionType.java
/** Adds a type to the list of subtypes for this type. */
Adds a type to the list of subtypes for this type.
Adds a type to the list of subtypes for this type .
private void addSubType(FunctionType subType) {
    if (subTypes == null) {
      subTypes = new ArrayList<>();
    }
    subTypes.add(subType);
  }
private void addSubType ( FunctionType subType ) { if ( subTypes == null ) { subTypes = new ArrayList < > ( ) ; } subTypes . add ( subType ) ; }
Adds a type to the list of subtypes for this type.
Adds a type to the list of subtypes for this type .