code: public FullTypeSignature getTypeErasureSignature() {
  		if (typeErasureSignature == null) {
  			typeErasureSignature = new ClassTypeSignature(binaryName,
  					new TypeArgSignature[0], ownerTypeSignature == null ? null
  							: (ClassTypeSignature) ownerTypeSignature
  									.getTypeErasureSignature());
  		}
  		return typeErasureSignature;
  	}
docs: get the type erasure signature