public int getMappedByteCount() {
		if (isOneToOneMapping()) {
			return 1;
		}
		return mappedByteCount;
	}
Get the mapped-byte-count (left-hand value in mapping ratio)
@return mapped-byte-count
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/mem/ByteMappingScheme.java