code: public void setOr(java.util.Collection<Expression> or) {
          if (or == null) {
              this.or = null;
              return;
          }
  
          this.or = new java.util.ArrayList<Expression>(or);
      }
docs: <p>
  Return results that match either <code>Dimension</code> object.
  </p>
  
  @param or
  Return results that match either <code>Dimension</code> object.