code: public AwsSecurityFindingFilters withResourceRegion(StringFilter... resourceRegion) {
          if (this.resourceRegion == null) {
              setResourceRegion(new java.util.ArrayList<StringFilter>(resourceRegion.length));
          }
          for (StringFilter ele : resourceRegion) {
              this.resourceRegion.add(ele);
          }
          return this;
      }
docs: <p>
  The canonical AWS external region name where this resource is located.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setResourceRegion(java.util.Collection)} or {@link #withResourceRegion(java.util.Collection)} if you want
  to override the existing values.
  </p>
  
  @param resourceRegion
  The canonical AWS external region name where this resource is located.
  @return Returns a reference to this object so that method calls can be chained together.