code: func (am *Manager) Wallets() []Wallet {
  	am.lock.RLock()
  	defer am.lock.RUnlock()
  
  	cpy := make([]Wallet, len(am.wallets))
  	copy(cpy, am.wallets)
  	return cpy
  }
docs: // Wallets returns all signer accounts registered under this account manager.