OpenTelemetry SDK
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    Variable METRIC_MESSAGING_CLIENT_SENT_MESSAGESConst Experimental

    METRIC_MESSAGING_CLIENT_SENT_MESSAGES: "messaging.client.sent.messages" = ...

    Number of messages producer attempted to send to the broker.

    This metric MUST NOT count messages that were created but haven't yet been sent.

    This metric is experimental and is subject to breaking changes in minor releases of @opentelemetry/semantic-conventions.