2 Documentation store all properties that can change or are used in multiple places here
3 ... format is all caps with underscores between words and prepended with AAI
4 ... make sure you prepend them with AAI so that other files can easily see it is from this file.
8 ${AAI_AMSTERDAM_INDEX_PATH} /aai/v11
9 ${AAI_BEIJING_INDEX_PATH} /aai/v13
10 ${AAI_CASABLANCA_INDEX_PATH} /aai/v14
11 ${AAI_DUBLIN_INDEX_PATH} /aai/v16