def select_common_params(from:)
      return from if @common_params.empty?
      from.select {|k,v| valid_common_param?(k)}
    end
def select_common_params(from:)
      return from if @common_params.empty?
      from.select {|k,v| valid_common_param?(k)}
    end
Select the common request parameters from the given params.

 from - the Hash containing the request params

 Returns a new Hash containing the valid common request params