export class InternalServiceConflictError extends Error { public constructor(internalServiceClass: any) { super(`Unable to register service '${internalServiceClass}' as it conflicts with an already registered service.`); Object.setPrototypeOf(this, InternalServiceConflictError.prototype); } } export class InternalServiceNotFoundError extends Error { public constructor(internalServiceClass: any) { super(`Internal service not found: ${internalServiceClass}.`); Object.setPrototypeOf(this, InternalServiceNotFoundError.prototype); } }