BatchGetDocumentsRequest constructor
      
      BatchGetDocumentsRequest({ 
    
    
- List<
String> ? documents, - DocumentMask? mask,
 - TransactionOptions? newTransaction,
 - String? readTime,
 - String? transaction,
 
Implementation
BatchGetDocumentsRequest({
  this.documents,
  this.mask,
  this.newTransaction,
  this.readTime,
  this.transaction,
});