Carrier constructor
Implementation
Carrier(
{@required this.db,
@required this.collection,
this.data,
this.query,
this.arrayName,
this.arrayKey,
this.fields,
this.id});
Carrier(
{@required this.db,
@required this.collection,
this.data,
this.query,
this.arrayName,
this.arrayKey,
this.fields,
this.id});