+ Edge_ArrowLengthProperty = getResourceOrNull(graph, URIs.Edge_ArrowLengthProperty);
+ Edge_ArrowLengthProperty_FlowRate = getResourceOrNull(graph, URIs.Edge_ArrowLengthProperty_FlowRate);
+ Edge_ArrowLengthProperty_bias = getResourceOrNull(graph, URIs.Edge_ArrowLengthProperty_bias);
+ Edge_ArrowLengthProperty_bias_Inverse = getResourceOrNull(graph, URIs.Edge_ArrowLengthProperty_bias_Inverse);
+ Edge_ArrowLengthProperty_gain = getResourceOrNull(graph, URIs.Edge_ArrowLengthProperty_gain);
+ Edge_ArrowLengthProperty_gain_Inverse = getResourceOrNull(graph, URIs.Edge_ArrowLengthProperty_gain_Inverse);
+ Edge_ArrowLengthProperty_value = getResourceOrNull(graph, URIs.Edge_ArrowLengthProperty_value);
+ Edge_ArrowLengthProperty_value_Inverse = getResourceOrNull(graph, URIs.Edge_ArrowLengthProperty_value_Inverse);