Method not available on this version
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The first available version (v2_6_3) is shown here.
defined_event?(event)
public
Check if an event has been defined @param event [String] An event to check @return [Boolean] A
boolean indicating if the event has been defined
# File lib/bundler/plugin/events.rb, line 28
def self.defined_event?(event)
@events ||= {}
@events.key?(event)
end