Instrument

class \OpenTelemetry\API\Metrics\Noop\NoopCounter implements \OpenTelemetry\API\Metrics\CounterInterface
class \OpenTelemetry\API\Metrics\Noop\NoopGauge implements \OpenTelemetry\API\Metrics\GaugeInterface
class \OpenTelemetry\API\Metrics\Noop\NoopHistogram implements \OpenTelemetry\API\Metrics\HistogramInterface
class \OpenTelemetry\API\Metrics\Noop\NoopObservableCounter implements \OpenTelemetry\API\Metrics\ObservableCounterInterface
class \OpenTelemetry\API\Metrics\Noop\NoopObservableGauge implements \OpenTelemetry\API\Metrics\ObservableGaugeInterface
class \OpenTelemetry\API\Metrics\Noop\NoopObservableUpDownCounter implements \OpenTelemetry\API\Metrics\ObservableUpDownCounterInterface
class \OpenTelemetry\API\Metrics\Noop\NoopUpDownCounter implements \OpenTelemetry\API\Metrics\UpDownCounterInterface
class \OpenTelemetry\SDK\Metrics\Counter implements \OpenTelemetry\API\Metrics\CounterInterface, \OpenTelemetry\SDK\Metrics\InstrumentHandle uses \OpenTelemetry\SDK\Metrics\SynchronousInstrumentTrait
class \OpenTelemetry\SDK\Metrics\Gauge implements \OpenTelemetry\API\Metrics\GaugeInterface, \OpenTelemetry\SDK\Metrics\InstrumentHandle uses \OpenTelemetry\SDK\Metrics\SynchronousInstrumentTrait
class \OpenTelemetry\SDK\Metrics\Histogram implements \OpenTelemetry\API\Metrics\HistogramInterface, \OpenTelemetry\SDK\Metrics\InstrumentHandle uses \OpenTelemetry\SDK\Metrics\SynchronousInstrumentTrait
class \OpenTelemetry\SDK\Metrics\ObservableCounter implements \OpenTelemetry\API\Metrics\ObservableCounterInterface, \OpenTelemetry\SDK\Metrics\InstrumentHandle uses \OpenTelemetry\SDK\Metrics\ObservableInstrumentTrait
class \OpenTelemetry\SDK\Metrics\ObservableGauge implements \OpenTelemetry\API\Metrics\ObservableGaugeInterface, \OpenTelemetry\SDK\Metrics\InstrumentHandle uses \OpenTelemetry\SDK\Metrics\ObservableInstrumentTrait
class \OpenTelemetry\SDK\Metrics\ObservableUpDownCounter implements \OpenTelemetry\API\Metrics\ObservableUpDownCounterInterface, \OpenTelemetry\SDK\Metrics\InstrumentHandle uses \OpenTelemetry\SDK\Metrics\ObservableInstrumentTrait
class \OpenTelemetry\SDK\Metrics\UpDownCounter implements \OpenTelemetry\API\Metrics\UpDownCounterInterface, \OpenTelemetry\SDK\Metrics\InstrumentHandle uses \OpenTelemetry\SDK\Metrics\SynchronousInstrumentTrait