vendor/open-telemetry/api/Metrics/UpDownCounterInterface.php


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<?php

declare(strict_types=1);

namespace OpenTelemetry\API\Metrics;

use OpenTelemetry\Context\ContextInterface;

interface UpDownCounterInterface
{

    /**
     * @param float|int $amount amount to increment / decrement by
     * @param iterable<non-empty-string, string|bool|float|int|array|null> $attributes
     *        attributes of the data point
     * @param ContextInterface|false|null $context execution context
     */
    public function add($amount, iterable $attributes = [], $context = null): void;
}