src/Type/SchemaValidationContext.php
private function getImplementsInterfaceNode(ObjectType $type, $iface)
    {
        $nodes = $this->getAllImplementsInterfaceNodes($type, $iface);

        return $nodes[0] ?? null;
    }
private function getImplementsInterfaceNode(ObjectType $type, $iface)
    {
        $nodes = $this->getAllImplementsInterfaceNodes($type, $iface);

        return $nodes[0] ?? null;
    }
private function getImplementsInterfaceNode ( ObjectType $ type , $ iface ) { $ nodes = $ this -> getAllImplementsInterfaceNodes ( $ type , $ iface ) ; return $ nodes [ 0 ] ?? null ; }
@param InterfaceType $iface

@return NamedTypeNode|null
@param InterfaceType $iface