code: public void setAWSAccountIds(java.util.Collection<String> aWSAccountIds) {
          if (aWSAccountIds == null) {
              this.aWSAccountIds = null;
              return;
          }
  
          this.aWSAccountIds = new com.amazonaws.internal.SdkInternalList<String>(aWSAccountIds);
      }
docs: <p>
  The AWS account IDs of the users (principals) who will be given access to the specified actions. The users must
  have AWS accounts, but do not need to be signed up for this service.
  </p>
  
  @param aWSAccountIds
  The AWS account IDs of the users (principals) who will be given access to the specified actions. The users
  must have AWS accounts, but do not need to be signed up for this service.