src/Utils/ASTDefinitionBuilder.php
public function buildType($ref)
    {
        if (is_string($ref)) {
            return $this->internalBuildType($ref);
        }

        return $this->internalBuildType($ref->name->value, $ref);
    }
public function buildType($ref)
    {
        if (is_string($ref)) {
            return $this->internalBuildType($ref);
        }

        return $this->internalBuildType($ref->name->value, $ref);
    }
@param string|NamedTypeNode $ref

@return Type

@throws Error