Picks the value of the most specific key in map that matches processId. 'cli:sync' beats 'cli' beats '*'. Returns undefined when nothing matches.
map
processId
'cli:sync'
'cli'
'*'
undefined
Picks the value of the most specific key in
mapthat matchesprocessId.'cli:sync'beats'cli'beats'*'. Returnsundefinedwhen nothing matches.