public boolean hasNext(int count) {
		return isValidRange(currentIndex, count);
	}
Returns true if this stream has data that could be read at the current position.

@param count number of bytes to verify
@return true if there are at least count more bytes that could be read at the 
{@link #getPointerIndex() current index}.
Ghidra/Features/Base/src/main/java/ghidra/app/util/bin/BinaryReader.java