class SamplingResult

final class SamplingResult {
    
    /**
     * Span will not be recorded and all events and attributes will be dropped.
     */
    public const DROP = 0;
    
    /**
     * Span will be recorded but SpanExporters will not receive this Span.
     */
    public const RECORD_ONLY = 1;
    
    /**
     * Span will be recorder and exported.
     */
    public const RECORD_AND_SAMPLE = 2;
    
    /**
     * @param ?API\TraceStateInterface $traceState A Tracestate that will be associated with the Span through the new SpanContext.
     */
    public function __construct(int $decision, iterable $attributes = [], ?API\TraceStateInterface $traceState = null) {
    }
    
    /**
     * Return sampling decision whether span should be recorded or not.
     */
    public function getDecision() : int {
        return $this->decision;
    }
    
    /**
     * Return attributes which will be attached to the span.
     */
    public function getAttributes() : iterable {
        return $this->attributes;
    }
    
    /**
     * Return a collection of links that will be associated with the Span to be created.
     */
    public function getTraceState() : ?API\TraceStateInterface {
        return $this->traceState;
    }

}