code: func (c *CredentialGraphClient) Post(ctx context.Context, t *CredentialGraph) (CredentialGraph, error) {
  	resp := rawGraph{}
  	err := c.client.RoundTrip(ctx, "POST", "/credentialgraph", nil, t, &resp)
  	if err != nil {
  		return nil, err
  	}
  
  	return resp.convert()
  }
docs: // Post creates a new CredentialGraph on the registry.
  //
  // The CredentialGraph includes the keyring, it's members, and credentials.