code: public BuildableType.Builder suppressUnchecked(Excerpt suppressUnchecked) {
      this.suppressUnchecked = Objects.requireNonNull(suppressUnchecked);
      _unsetProperties.remove(Property.SUPPRESS_UNCHECKED);
      return (BuildableType.Builder) this;
    }
docs: Sets the value to be returned by {@link BuildableType#suppressUnchecked()}.
  
  @return this {@code Builder} object
  @throws NullPointerException if {@code suppressUnchecked} is null