code: public ContainerDefinition withEnvironment(java.util.Map<String, String> environment) {
          setEnvironment(environment);
          return this;
      }
docs: <p>
  The environment variables to set in the Docker container. Each key and value in the <code>Environment</code>
  string to string map can have length of up to 1024. We support up to 16 entries in the map.
  </p>
  
  @param environment
  The environment variables to set in the Docker container. Each key and value in the
  <code>Environment</code> string to string map can have length of up to 1024. We support up to 16 entries
  in the map.
  @return Returns a reference to this object so that method calls can be chained together.