public void setMeshes(java.util.Collection<MeshRef> meshes) {
        if (meshes == null) {
            this.meshes = null;
            return;
        }

        this.meshes = new java.util.ArrayList<MeshRef>(meshes);
    }
<p>
The list of existing service meshes.
</p>

@param meshes
       The list of existing service meshes.
aws-java-sdk-appmesh/src/main/java/com/amazonaws/services/appmesh/model/ListMeshesResult.java