NoopSpan.php
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NoopSpan.php
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	<?php
	namespace Wikimedia\Telemetry;

	/**
	* An unsampled span that does nothing and persists no data.
	*
	* @since 1.43
	* @internal
	*/
	class NoopSpan implements SpanInterface {
	private SpanContext $context;

	public function __construct( SpanContext $context ) {
	$this->context = $context;
	}

	/** @inheritDoc */
	public function getContext(): SpanContext {
	return $this->context;
	}

	/** @inheritDoc */
	public function setAttributes( array $attributes ): SpanInterface {
	return $this;
	}

	/** @inheritDoc */
	public function setSpanKind( int $spanKind ): SpanInterface {
	return $this;
	}

	/** @inheritDoc */
	public function start( ?int $epochNanos = null ): SpanInterface {
	return $this;
	}

	/** @inheritDoc */
	public function end( ?int $epochNanos = null ): void {
	// no-op
	}

	/** @inheritDoc */
	public function activate(): void {
	// no-op
	}

	/** @inheritDoc */
	public function deactivate(): void {
	// no-op
	}
	}