export class PlivoRestError extends Error { constructor(message?: string); } export class ResourceNotFoundError extends PlivoRestError { constructor(message?: string); } export class ServerError extends PlivoRestError { constructor(message?: string); } export class InvalidRequestError extends PlivoRestError { constructor(message?: string); } export class PlivoXMLError extends PlivoRestError { constructor(message?: string); } export class PlivoXMLValidationError extends PlivoRestError { constructor(message?: string); } export class AuthenticationError extends PlivoRestError { constructor(message?: string); }