BigInteger getNumIndexes() {
		return numIndexes;
	}
Returns the total number of indexes in this map.
@return The number byte indexes (possible display positions) in this index map (includes
 offset padding and separator positions. This will always be a muliple of the number of
 bytes displayed per line.
Ghidra/Features/ByteViewer/src/main/java/ghidra/app/plugin/core/byteviewer/IndexMap.java