# frozen_string_literal: true # Copyright The OpenTelemetry Authors # # SPDX-License-Identifier: Apache-2.0 require 'opentelemetry/metrics/instrument/counter' require 'opentelemetry/metrics/instrument/histogram' require 'opentelemetry/metrics/instrument/observable_counter' require 'opentelemetry/metrics/instrument/observable_gauge' require 'opentelemetry/metrics/instrument/observable_up_down_counter' require 'opentelemetry/metrics/instrument/up_down_counter' module OpenTelemetry module Metrics # Instruments are used to report Measurements. module Instrument end end end