Disabled CyclomaticComplexity check. This code is sometimes called multiple 10's of millions of times so micro-optimizations are the name of the game here.

kschroeder · kschroeder · commit 67f5346ace6f · 2017-03-30T15:42:01.000-05:00
diff --git a/setup/src/Magento/Setup/Module/Di/Code/Reader/FileClassScanner.php b/setup/src/Magento/Setup/Module/Di/Code/Reader/FileClassScanner.php
@@ -67,6 +67,7 @@ public function getFileContents()
      * as soon as it enters the class definition itself.
      *
      * @SuppressWarnings(PHPMD.CyclomaticComplexity)
+     * @SuppressWarnings(PHPMD.NPathComplexity)
      * @return array
      */
 

Original file line number	Diff line number	Diff line change
`@@ -67,6 +67,7 @@ public function getFileContents()`
`67`	`67`	`* as soon as it enters the class definition itself.`
`68`	`68`	`*`
`69`	`69`	`* @SuppressWarnings(PHPMD.CyclomaticComplexity)`
	`70`	`+ * @SuppressWarnings(PHPMD.NPathComplexity)`
`70`	`71`	`* @return array`
`71`	`72`	`*/`
`72`	`73`