public void setAttachmentSet(java.util.Collection<AttachmentDetails> attachmentSet) {
        if (attachmentSet == null) {
            this.attachmentSet = null;
            return;
        }

        this.attachmentSet = new com.amazonaws.internal.SdkInternalList<AttachmentDetails>(attachmentSet);
    }
<p>
Information about the attachments to the case communication.
</p>

@param attachmentSet
       Information about the attachments to the case communication.
aws-java-sdk-support/src/main/java/com/amazonaws/services/support/model/Communication.java