public void setAddResources(java.util.Collection<Resource> addResources) {
        if (addResources == null) {
            this.addResources = null;
            return;
        }

        this.addResources = new java.util.ArrayList<Resource>(addResources);
    }
<p>
The resources to add to the cross-account attachment. A resource listed in a cross-account attachment can be used
with an accelerator by the principals that are listed in the attachment.
</p>
<p>
To add more than one resource, separate the resource ARNs with commas.
</p>

@param addResources
       The resources to add to the cross-account attachment. A resource listed in a cross-account attachment can
       be used with an accelerator by the principals that are listed in the attachment.</p>
       <p>
       To add more than one resource, separate the resource ARNs with commas.
aws-java-sdk-globalaccelerator/src/main/java/com/amazonaws/services/globalaccelerator/model/UpdateCrossAccountAttachmentRequest.java