code: function getSeqNoPropertyNames(context) {
    const seqNoPropertyNames = context.streamProcessing.seqNoPropertyNames;
    return Array.isArray(seqNoPropertyNames) ? seqNoPropertyNames :
      typeof seqNoPropertyNames === 'string' ? toPropertyNamesArray(seqNoPropertyNames) : [];
  }
docs: Returns the names of all of the message sequence number properties configured on the given context, which are used to
  extract a message's sequence number(s), which determine the order in which messages with identical keys must be
  processed.
  @param {StreamProcessing} context - the context from which to fetch the message sequence property names
  @returns {string[]} the message sequence property names if any; otherwise an empty array