Ruleset: update implementations/usage after class rename

Author: jrfnl

src/Ruleset.php

@@ -255,7 +255,7 @@ public function __construct(Config $config)
         }
 
         if ($numSniffs === 0) {
-            $this->msgCache->add('No sniffs were registered.', MsgCollector::ERROR);
+            $this->msgCache->add('No sniffs were registered.', MessageCollector::ERROR);
         }
 
         $this->displayCachedMessages();
@@ -1040,7 +1040,7 @@ private function expandRulesetReference($ref, $rulesetDir, $depth=0)
             }
         } else {
             if (is_file($ref) === false) {
-                $this->msgCache->add("Referenced sniff \"$ref\" does not exist.", MsgCollector::ERROR);
+                $this->msgCache->add("Referenced sniff \"$ref\" does not exist.", MessageCollector::ERROR);
                 return [];
             }
 
@@ -1131,7 +1131,7 @@ private function processRule($rule, $newSniffs, $depth=0)
                 $type = strtolower((string) $rule->type);
                 if ($type !== 'error' && $type !== 'warning') {
                     $message = "Message type \"$type\" for \"$code\" is invalid; must be \"error\" or \"warning\".";
-                    $this->msgCache->add($message, MsgCollector::ERROR);
+                    $this->msgCache->add($message, MessageCollector::ERROR);
                 } else {
                     $this->ruleset[$code]['type'] = $type;
                     if (PHP_CODESNIFFER_VERBOSITY > 1) {
@@ -1461,7 +1461,7 @@ public function populateTokenListeners()
             $tokens = $this->sniffs[$sniffClass]->register();
             if (is_array($tokens) === false) {
                 $msg = "The sniff {$sniffClass}::register() method must return an array.";
-                $this->msgCache->add($msg, MsgCollector::ERROR);
+                $this->msgCache->add($msg, MessageCollector::ERROR);
 
                 // Unregister the sniff.
                 unset($this->sniffs[$sniffClass], $this->sniffCodes[$sniffCode], $this->deprecatedSniffs[$sniffCode]);
@@ -1577,7 +1577,7 @@ public function setSniffProperty($sniffClass, $name, $settings)
             if ($settings['scope'] === 'sniff') {
                 $notice  = "Property \"$propertyName\" does not exist on sniff ";
                 $notice .= array_search($sniffClass, $this->sniffCodes, true).'.';
-                $this->msgCache->add($notice, MsgCollector::ERROR);
+                $this->msgCache->add($notice, MessageCollector::ERROR);
             }
 
             return;