MeterProviderInterface.php

<?php

declare (strict_types=1);
namespace OpenTelemetry\API\Metrics;

interface MeterProviderInterface {
    
    /**
     * Returns a `Meter` for the given instrumentation scope.
     *
     * @param string $name name of the instrumentation scope
     * @param string|null $version version of the instrumentation scope
     * @param string|null $schemaUrl schema url to record in the emitted telemetry
     * @param iterable<non-empty-string, string|bool|float|int|array|null> $attributes
     *        instrumentation scope attributes
     * @return MeterInterface meter instance for the instrumentation scope
     *
     * @see https://github.com/open-telemetry/opentelemetry-specification/blob/main/specification/metrics/api.md#get-a-meter
     */
    public function getMeter(string $name, ?string $version = null, ?string $schemaUrl = null, iterable $attributes = []) : MeterInterface;

}