highlightCollection method
Highlight all of the Parts supplied in the given collection, and unhighlight all other highlighted Parts.
Note that no predefined command or tool operates on the #highlighteds collection, and there is no predefined visual rendering when a part becomes Part#isHighlighted. @param {Iterable.
Implementation
void highlightCollection(_i2.Object coll) {
  _i4.callMethod(
    this,
    'highlightCollection',
    [coll],
  );
}