class TracerProviderBuilder

class TracerProviderBuilder {
    
    /** @var list<SpanProcessorInterface> */
    private ?array $spanProcessors = [];
    private ?ResourceInfo $resource = null;
    private ?SamplerInterface $sampler = null;
    private ?Configurator $configurator = null;
    public function addSpanProcessor(SpanProcessorInterface $spanProcessor) : self {
        $this->spanProcessors[] = $spanProcessor;
        return $this;
    }
    public function setResource(ResourceInfo $resource) : self {
        $this->resource = $resource;
        return $this;
    }
    public function setSampler(SamplerInterface $sampler) : self {
        $this->sampler = $sampler;
        return $this;
    }
    public function setConfigurator(Configurator $configurator) : self {
        $this->configurator = $configurator;
        return $this;
    }
    public function build() : TracerProviderInterface {
        return new TracerProvider($this->spanProcessors, $this->sampler, $this->resource, configurator: $this->configurator ?? Configurator::tracer());
    }

}