error_highlight_available?

# File actionpack/lib/action_dispatch/middleware/exception_wrapper.rb, line 210
    def error_highlight_available?
      # ErrorHighlight.spot with backtrace_location keyword is available since error_highlight 0.4.0
      defined?(ErrorHighlight) && Gem::Version.new(ErrorHighlight::VERSION) >= Gem::Version.new("0.4.0")
    end