src/Utils/ASTDefinitionBuilder.php
private function buildWrappedType(Type $innerType, TypeNode $inputTypeNode)
    {
        if ($inputTypeNode->kind === NodeKind::LIST_TYPE) {
            return Type::listOf($this->buildWrappedType($innerType, $inputTypeNode->type));
        }
        if ($inputTypeNode->kind === NodeKind::NON_NULL_TYPE) {
            $wrappedType = $this->buildWrappedType($innerType, $inputTypeNode->type);

            return Type::nonNull(NonNull::assertNullableType($wrappedType));
        }

        return $innerType;
    }
private function buildWrappedType(Type $innerType, TypeNode $inputTypeNode)
    {
        if ($inputTypeNode->kind === NodeKind::LIST_TYPE) {
            return Type::listOf($this->buildWrappedType($innerType, $inputTypeNode->type));
        }
        if ($inputTypeNode->kind === NodeKind::NON_NULL_TYPE) {
            $wrappedType = $this->buildWrappedType($innerType, $inputTypeNode->type);

            return Type::nonNull(NonNull::assertNullableType($wrappedType));
        }

        return $innerType;
    }
@param TypeNode|ListTypeNode|NonNullTypeNode $inputTypeNode

@return Type