public T trimFunction(@NonNull SerializableFunction<HString, HString> trimFunction) {
      this.trimFunction = trimFunction;
      return Cast.as(this);
   }
public T trimFunction ( @ NonNull SerializableFunction < HString , HString > trimFunction ) { this . trimFunction = trimFunction ; return Cast . as ( this ) ; }
Trim function t.

@param trimFunction the trim function
@return the t