code: @Deprecated
    public ProjectDefinition setProperties(Properties properties) {
      for (Entry<Object, Object> entry : properties.entrySet()) {
        this.properties.put(entry.getKey().toString(), entry.getValue().toString());
      }
      return this;
    }
docs: Copies specified properties into this object.
  
  @since 2.12
  @deprecated since 5.0 use {@link #setProperties(Map)}