private MeshModel getMeshModel(final ProvisionedMeshNode node, final int src, final int modelId) {
        final Element element = node.getElements().get(src);
        if (element != null) {
            return element.getMeshModels().get(modelId);
        }
        return null;
    }
Checks and returns a new filter or the existing filter

@param currentFilter Proxy filter that is currently set on this node
@param filterType    Type of {@link ProxyFilterType} that was received by the status message
mesh/src/main/java/no/nordicsemi/android/mesh/transport/DefaultNoOperationMessageState.java