public int getBitOffset() {
		return bitOffset;
	}
Get the bit offset of the least-significant bit relative to bit-0 of the
base datatype (i.e., least significant bit).  This corresponds to the
right-shift amount within the base data type when viewed as a big-endian value.
@return bit offset
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/model/data/BitFieldDataType.java