Cardholder constructor
Cardholder({})
Implementation
Cardholder(
{this.id,
this.object,
this.billing,
this.company,
this.email,
this.individual,
this.created,
this.livemode,
this.metadata,
this.type,
this.name,
this.phoneNumber,
this.requirements,
this.spendingControls,
this.status});