private static TypedefDBAdapter findReadOnlyAdapter(DBHandle handle) throws VersionException {
		try {
			return new TypedefDBAdapterV1(handle);
		}
		catch (VersionException e) {
			// ignore
		}
		return new TypedefDBAdapterV0(handle);
	}
Tries to get a read only adapter for the database whose handle is passed to this method.
@param handle handle to prior version of the database.
@return the read only Typedef table adapter
@throws VersionException if a read only adapter can't be obtained for the database handle's version.
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/data/TypedefDBAdapter.java