in internal/conn/storage/storage.go [267:276]
func (c *Client) signParams(sigVals sas.BlobSignatureValues, cred *service.UserDelegationCredential) (encoder, error) {
if c.fakeSignParams != nil {
return c.fakeSignParams(sigVals, cred)
}
params, err := sigVals.SignWithUserDelegation(cred)
if err != nil {
return nil, err
}
return ¶ms, nil
}