@Override
	public void setVertexType(FGVertexType vertexType) {
		if (this.vertexType != null) {
			throw new AssertException("Cannot set the vertex type more than once.  " +
				"Previous type was " + vertexType + " on vertex " + this);
		}

		this.vertexType = vertexType;
	}
To be restored when the component for this vertex is created.
Ghidra/Features/FunctionGraph/src/main/java/ghidra/app/plugin/core/functiongraph/graph/vertex/AbstractFunctionGraphVertex.java