code: public void setPropertyDifferences(java.util.Collection<PropertyDifference> propertyDifferences) {
          if (propertyDifferences == null) {
              this.propertyDifferences = null;
              return;
          }
  
          this.propertyDifferences = new com.amazonaws.internal.SdkInternalList<PropertyDifference>(propertyDifferences);
      }
docs: <p>
  A collection of the resource properties whose actual values differ from their expected values. These will be
  present only for resources whose <code>StackResourceDriftStatus</code> is <code>MODIFIED</code>.
  </p>
  
  @param propertyDifferences
  A collection of the resource properties whose actual values differ from their expected values. These will
  be present only for resources whose <code>StackResourceDriftStatus</code> is <code>MODIFIED</code>.