class ActiveSupport::DeprecationException
Raised when ActiveSupport::Deprecation::Behavior#behavior is
set with :raise. You would set :raise, as a
behavior to raise errors and proactively report exceptions from
deprecations.
Raised when ActiveSupport::Deprecation::Behavior#behavior is
set with :raise. You would set :raise, as a
behavior to raise errors and proactively report exceptions from
deprecations.