code: public org.inferred.freebuilder.processor.property.Property.Builder clearBoxedType() {
      boxedType = null;
      return (org.inferred.freebuilder.processor.property.Property.Builder) this;
    }
docs: Sets the value to be returned by {@link
  org.inferred.freebuilder.processor.property.Property#getBoxedType()} to {@link Optional#empty()
  Optional.empty()}.
  
  @return this {@code Builder} object