ConfigJsonField example

    public function since(): ?string
    {
        return '6.0.0.0';
    }

    protected function defineFields(): FieldCollection
    {
        return new FieldCollection([
            (new IdField('id', 'id'))->addFlags(new ApiAware(), new Required(), new PrimaryKey()),
            (new ConfigJsonField('data', 'data'))->addFlags(new ApiAware()),
        ]);
    }
}

public function since(): ?string
    {
        return '6.0.0.0';
    }

    protected function defineFields(): FieldCollection
    {
        return new FieldCollection([
            (new IdField('id', 'id'))->addFlags(new ApiAware(), new PrimaryKey(), new Required()),
            (new StringField('configuration_key', 'configurationKey'))->addFlags(new ApiAware(), new Required()),
            (new ConfigJsonField('configuration_value', 'configurationValue'))->addFlags(new ApiAware(), new Required()),
            (new FkField('sales_channel_id', 'salesChannelId', SalesChannelDefinition::class))->addFlags(new ApiAware()),
            (new ManyToOneAssociationField('salesChannel', 'sales_channel_id', SalesChannelDefinition::class, 'id', false))->addFlags(new ApiAware()),
        ]);
    }
}

private $serializer;

    private ConfigJsonField $field;

    private EntityExistence $existence;

    private WriteParameterBag $parameters;

    protected function setUp(): void
    {
        $this->serializer = $this->getContainer()->get(ConfigJsonFieldSerializer::class);
        $this->field = new ConfigJsonField('data', 'data');
        $this->field->addFlags(new ApiAware(), new Required());

        $definition = $this->registerDefinition(JsonDefinition::class);
        $this->existence = new EntityExistence($definition->getEntityName(), [], false, false, false, []);

        $this->parameters = new WriteParameterBag(
            $definition,
            WriteContext::createFromContext(Context::createDefaultContext()),
            '',
            new WriteCommandQueue()
        );
    }