Rename mts to pref in operators map
Rename mts to pref in operators map

scrollback/pure,scrollback/pure,belng/pure,scrollback/pure,belng/pure,belng/pure,Anup-Allamsetty/pure,Anup-Allamsetty/pure,belng/pure,Anup-Allamsetty/pure,scrollback/pure,Anup-Allamsetty/pure