class RSpec::Core::Configuration

`rspec_options` attribute of RSpec's rake task.
`--backtrace`on the command line, in a `.rspec` file, or in the
To override this behaviour and display a full backtrace, use

getter
One can replace the list by using the setter or modify it through the

Defaults to RSpec::Core::BacktraceCleaner::DEFAULT_EXCLUSION_PATTERNS

Configuration#backtrace_exclusion_patterns instead
The patterns to discard from backtraces. Deprecated, use

def backtrace_clean_patterns
  RSpec.deprecate("RSpec::Core::Configuration#backtrace_clean_patterns",
                  :replacement => "RSpec::Core::Configuration#backtrace_exclusion_patterns")
  @backtrace_cleaner.exclusion_patterns
end