Handle namespace separator changes

Author: sirbrillig

VariableAnalysis/Lib/Helpers.php

@@ -1778,7 +1778,7 @@ public static function getFunctionNameWithNamespace(File $phpcsFile, $stackPtr)
 
 		// Move backwards from the token, collecting namespace separators and
 		// strings, until we encounter whitespace or something else.
-		$partOfNamespace = [T_NS_SEPARATOR, T_STRING];
+		$partOfNamespace = [T_NS_SEPARATOR, T_STRING, T_NAME_RELATIVE, T_NAME_FULLY_QUALIFIED, T_NAME_QUALIFIED];
 		for ($i = $stackPtr - 1; $i > $startOfScope; $i--) {
 			if (! in_array($tokens[$i]['code'], $partOfNamespace, true)) {
 				break;
@@ -1803,6 +1803,15 @@ private static function isTokenPossiblyPartOfTypehint(File $phpcsFile, $stackPtr
 		if ($token['code'] === 'PHPCS_T_NULLABLE') {
 			return true;
 		}
+		if ($token['code'] === T_NAME_QUALIFIED) {
+			return true;
+		}
+		if ($token['code'] === T_NAME_RELATIVE) {
+			return true;
+		}
+		if ($token['code'] === T_NAME_FULLY_QUALIFIED) {
+			return true;
+		}
 		if ($token['code'] === T_NS_SEPARATOR) {
 			return true;
 		}