TMP WIP for everyone, not just bleeding edge

Author: ondrejmirtes

src/Type/Constant/ConstantArrayType.php

@@ -157,7 +157,7 @@ public function __construct(
 			if ($unsealed[0] instanceof StrictMixedType && !$unsealed[0] instanceof TemplateStrictMixedType) {
 				$unsealed[0] = (new UnionType([new StringType(), new IntegerType()]))->toArrayKey();
 			}
-		} elseif (BleedingEdgeToggle::isBleedingEdge()) {
+		} else {
 			$never = new NeverType(true);
 			$unsealed = [$never, $never];
 		}

src/Type/Constant/ConstantArrayTypeBuilder.php

@@ -66,11 +66,8 @@ private function __construct(
 
 	public static function createEmpty(): self
 	{
-		$unsealed = null;
-		if (BleedingEdgeToggle::isBleedingEdge()) {
-			$never = new NeverType(true);
-			$unsealed = [$never, $never];
-		}
+		$never = new NeverType(true);
+		$unsealed = [$never, $never];
 		return new self([], [], [0], [], TrinaryLogic::createYes(), $unsealed);
 	}