<?php declare(strict_types=1); namespace OpenTelemetry\API\Metrics; use OpenTelemetry\Context\ContextInterface; /** * A synchronous instrument which can be used to record non-additive values. * * @see https://opentelemetry.io/docs/specs/otel/metrics/api/#gauge * * @experimental */ interface GaugeInterface extends SynchronousInstrument { /** * @param float|int $amount current absolute value * @param iterable<non-empty-string, string|bool|float|int|array|null> $attributes * attributes of the data point * @param ContextInterface|false|null $context execution context * * @see https://opentelemetry.io/docs/specs/otel/metrics/api/#record-1 */ public function record(float|int $amount, iterable $attributes = [], ContextInterface|false|null $context = null): void; }
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