src/Document.php
public function assertNotExists($pointers, string $message = ''): self
    {
        $unexpected = collect((array) $pointers)->filter(function ($pointer) {
            return $this->has($pointer);
        })->implode(', ');

        PHPUnitAssert::assertEmpty($unexpected, $message ?: "Members [{$unexpected}] exist.");

        return $this;
    }
public function assertNotExists($pointers, string $message = ''): self
    {
        $unexpected = collect((array) $pointers)->filter(function ($pointer) {
            return $this->has($pointer);
        })->implode(', ');

        PHPUnitAssert::assertEmpty($unexpected, $message ?: "Members [{$unexpected}] exist.");

        return $this;
    }
Assert that the provided members do not exist.

@param string|string[] $pointers
@param string $message
@return Document