return &StandardClaims{}
}

// SetIssuer sets issuer for these claims
func (c *StandardClaims) SetIssuer(issuer string) {
	c.Issuer = issuer
}

// SetAudience sets audience for these claims
func (c *StandardClaims) SetAudience(aud string) {
	c.Audience = aud
}

// SetExpiry sets expiry in unix epoch secs
func (c *StandardClaims) SetExpiry(t time.Time) {
	c.ExpiresAt = t.Unix()
}