// If nil an empty string will be returned.
func (c *MapClaims) GetAccessKey() string {
	if c == nil {
		return ""
	}
	return c.AccessKey
}

// NewStandardClaims - initializes standard claims
func NewStandardClaims() *StandardClaims {
	return &StandardClaims{}
}

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