public State postprocessContext(
            final @NonNull CommandContext<C> context,
            final @NonNull Command<C> command
    ) {
        this.servicePipeline.pump(CommandPostprocessingContext.of(context, command))
                .through(new TypeToken<CommandPostprocessor<C>>() {
                })
                .complete();
        return context.<String>optional(AcceptingCommandPostprocessor.PROCESSED_INDICATOR_KEY).orElse("").isEmpty()
                ? State.REJECTED
                : State.ACCEPTED;
    }
Postprocess a command context instance

@param context Command context
@param command Command instance
@return {@link State#ACCEPTED} if the command should be parsed and executed, else {@link State#REJECTED}
@see #registerCommandPostProcessor(CommandPostprocessor) Register a command postprocessor
cloud-core/src/main/java/org/incendo/cloud/CommandManager.java