[BCB] Remove TypeUtils::getConstantArrays()

Author: ondrejmirtes

UPGRADING.md

@@ -252,3 +252,4 @@ Instead of `PHPStanTestCase::createBroker()`, call `PHPStanTestCase::createRefle
   * Use `getFirstIterable*Type` and `getLastIterable*Type` instead
 * Remove `ConstantArrayType::generalizeToArray()`
 * Remove `TypeUtils::getArrays()`, use [`Type::getArrays()`](https://apiref.phpstan.org/2.0.x/PHPStan.Type.Type.html#_getArrays) instead
+* Remove `TypeUtils::getConstantArrays()`, use [`Type::getConstantArrays()`](https://apiref.phpstan.org/2.0.x/PHPStan.Type.Type.html#_getConstantArrays) instead

src/Type/TypeUtils.php

@@ -21,34 +21,6 @@
 final class TypeUtils
 {
 
-	/**
-	 * @return ConstantArrayType[]
-	 *
-	 * @deprecated Use PHPStan\Type\Type::getConstantArrays() instead and handle optional keys if necessary.
-	 */
-	public static function getConstantArrays(Type $type): array
-	{
-		if ($type instanceof ConstantArrayType) {
-			return $type->getAllArrays();
-		}
-
-		if ($type instanceof UnionType) {
-			$matchingTypes = [];
-			foreach ($type->getTypes() as $innerType) {
-				if (!$innerType instanceof ConstantArrayType) {
-					return [];
-				}
-				foreach (self::getConstantArrays($innerType) as $innerInnerType) {
-					$matchingTypes[] = $innerInnerType;
-				}
-			}
-
-			return $matchingTypes;
-		}
-
-		return [];
-	}
-
 	/**
 	 * @return ConstantStringType[]
 	 *