export class UnmountedError extends Error { constructor ( message = '' , ... args ) { super ( message , ... args ) ; this . name = 'UnmountedError' ; this . message = message ; } } export class ResponseError extends Error { constructor ( message = '' , data = { } , ... args ) { super ( message , ... args ) ; this . name = 'ResponseError' ; this . message = message ; this . data = data ; } } export class DomainVerificationError extends Error { constructor ( message = '' , ... args ) { super ( message , ... args ) ; this . name = 'DomainVerificationError' ; this . message = message ; } }