def effective_sources
      if @start_with
        reject = true
        @sources.reject do |source|
          if reject && source.eql?(@start_with)
            reject = false
          end

          reject
        end
      else
        @sources
      end
    end
def effective_sources
      if @start_with
        reject = true
        @sources.reject do |source|
          if reject && source.eql?(@start_with)
            reject = false
          end

          reject
        end
      else
        @sources
      end
    end
Return effective sources

 @return [Enumerable<CLI::Source>]

 @api private