text: /*
   * Copyright (C) 2018 The Android Open Source Project
   * Copyright (C) 2019-2020 STMicroelectronics
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  #pragma once
  
  #include <cstdint>
  
  namespace stm {
  namespace core {
  
  class IUtils {
  protected:
      IUtils(void) = default;
      virtual ~IUtils(void) = default;
  
  public:
      IUtils(const IUtils &) = delete;
      IUtils& operator= (const IUtils &) = delete;
  
      /**
       * getInstance: retrieve utils instance
       *
       * Return value: valid instance of the utils.
       */
      static IUtils& getInstance(void);
  
      /**
       * getTime: return the time since the system was booted, and include deep sleep
       *
       * Return value: nsec since the system was booted.
       */
      virtual int64_t getTime(void) const = 0;
  };
  
  } // namespace core
  } // namespace stm
  