docs: public void signalExecution() {
      assertExecutionAssociated();
      processEngine.getRuntimeService().setVariablesLocal(associationManager.getExecutionId(), getAndClearCachedLocalVariableMap());
      processEngine.getRuntimeService().signal(associationManager.getExecutionId(), getAndClearCachedVariableMap());
      associationManager.disAssociate();
    }