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type ClientErrorCode =  | 400  | 401  | 402  | 403  | 404  | 405  | 406  | 407  | 408  | 409  | 410  | 411  | 412  | 413  | 414  | 415  | 416  | 417  | 418  | 421  | 422  | 423  | 424  | 425  | 426  | 428  | 429  | 431  | 451;type ServerErrorCode =  | 500  | 501  | 502  | 503  | 504  | 505  | 506  | 507  | 508  | 510  | 511;type ErrorCode = ClientErrorCode | ServerErrorCode;
const ErrorDescriptionTable = new Map<ErrorCode, string>([  [400, "Bad Request"],  [401, "Unauthorized"],  [402, "Payment Required "],  [403, "Forbidden"],  [404, "Not Found"],  [405, "Method Not Allowed"],  [406, "Not Acceptable"],  [407, "Proxy Authentication Required"],  [408, "Request Timeout"],  [409, "Conflict"],  [410, "Gone"],  [411, "Length Required"],  [412, "Precondition Failed"],  [413, "Payload Too Large"],  [414, "URI Too Long"],  [415, "Unsupported Media Type"],  [416, "Range Not Satisfiable"],  [417, "Expectation Failed"],  [418, "I'm a teapot"],  [421, "Misdirected Request"],  [422, "Unprocessable Entity"],  [423, "Locked"],  [424, "Failed Dependency"],  [425, "Too Early"],  [426, "Upgrade Required"],  [428, "Precondition Required"],  [429, "Too Many Requests"],  [431, "Request Header Fields Too Large"],  [451, "Unavailable For Legal Reasons"],  [500, "Internal Server Error"],  [501, "Not Implemented"],  [502, "Bad Gateway"],  [503, "Service Unavailable"],  [504, "Gateway Timeout"],  [505, "HTTP Version Not Supported"],  [506, "Variant Also Negotiates"],  [507, "Insufficient Storage"],  [508, "Loop Detected"],  [510, "Not Extended"],  [511, "Network Authentication Required"],]);
/** * Represents an server-side error that can be relayed back to the client. :th */export class ServerException extends Error {  constructor(    readonly errorCode: ErrorCode,    message?: string,    readonly content?: unknown,    readonly errorDescription = ErrorDescriptionTable.get(errorCode),  ) {    super(message ?? errorDescription);  }}