public void setNewMembers(java.util.Collection<String> newMembers) {
        if (newMembers == null) {
            this.newMembers = null;
            return;
        }

        this.newMembers = new java.util.ArrayList<String>(newMembers);
    }
<p>
Information about contacts to add to an on-call rotation override.
</p>

@param newMembers
       Information about contacts to add to an on-call rotation override.
aws-java-sdk-ssmcontacts/src/main/java/com/amazonaws/services/ssmcontacts/model/PreviewOverride.java