protected void notifySizeChanged(boolean isAutoChange) {
		for (DataType dt : dataMgr.getParentDataTypes(key)) {
			dt.dataTypeSizeChanged(this);
		}
		dataMgr.dataTypeChanged(this, isAutoChange);
	}
Notify all parents that the size of this datatype has changed or other significant change
that may affect a parent containing this datatype.

@param isAutoChange true if changes are in response to another datatype's change.
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/data/DataTypeDB.java