@Override
	public int getLength() {
		return -1;
	}
Get all dynamic components associated with the specified MemBuffer
@param buf memory buffer positioned at start of data type instance
@return all components or null if memory data is not valid for this
data type.
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/model/data/DynamicDataType.java