@Override
	public BigInteger getBigInteger(int offset, int size, boolean signed)
			throws MemoryAccessException {
		return converter.getBigInteger(this, offset, size, signed);
	}
Construct a new MemoryBufferImpl
@param mem memory associated with the given address
@param addr start address
@param bufSize the size of the memory buffer.
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/model/mem/MemoryBufferImpl.java