public ListServersRequest withGroupIdFilter(Group... groupIdFilter) {
        if (this.groupIdFilter == null) {
            setGroupIdFilter(new java.util.ArrayList<Group>(groupIdFilter.length));
        }
        for (Group ele : groupIdFilter) {
            this.groupIdFilter.add(ele);
        }
        return this;
    }
<p>
Specifies the group ID to filter on.
</p>
<p>
<b>NOTE:</b> This method appends the values to the existing list (if any). Use
{@link #setGroupIdFilter(java.util.Collection)} or {@link #withGroupIdFilter(java.util.Collection)} if you want
to override the existing values.
</p>

@param groupIdFilter
       Specifies the group ID to filter on.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-migrationhubstrategyrecommendations/src/main/java/com/amazonaws/services/migrationhubstrategyrecommendations/model/ListServersRequest.java