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Common interfaces of the Restate SDK

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// Copyright (c) 2023 - Restate Software, Inc., Restate GmbH
//
// This file is part of the Restate Java SDK,
// which is released under the MIT license.
//
// You can find a copy of the license in file LICENSE in the root
// directory of this repository or package, or at
// https://github.com/restatedev/sdk-java/blob/main/LICENSE
package dev.restate.sdk.common.syscalls;

import java.nio.ByteBuffer;
import org.jspecify.annotations.Nullable;

public interface HandlerRunner {
  /**
   * Thread local to store {@link Syscalls}.
   *
   * Implementations of {@link HandlerRunner} should correctly propagate this thread local in
   * order for logging to work correctly. Could be improved if ScopedContext will ever be introduced in
   * log4j2.
   */
  ThreadLocal SYSCALLS_THREAD_LOCAL = new ThreadLocal<>();

  void run(
      HandlerSpecification handlerSpecification,
      Syscalls syscalls,
      @Nullable O options,
      SyscallCallback callback);
}