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export class JwtAlgorithmNotImplemented extends Error {  constructor(alg: string) {    super(`${alg} is not an implemented algorithm`)    this.name = 'JwtAlgorithmNotImplemented'  }}
export class JwtTokenInvalid extends Error {  constructor(token: string) {    super(`invalid JWT token: ${token}`)    this.name = 'JwtTokenInvalid'  }}
export class JwtTokenNotBefore extends Error {  constructor(token: string) {    super(`token (${token}) is being used before it's valid`)    this.name = 'JwtTokenNotBefore'  }}
export class JwtTokenExpired extends Error {  constructor(token: string) {    super(`token (${token}) expired`)    this.name = 'JwtTokenExpired'  }}
export class JwtTokenIssuedAt extends Error {  constructor(currentTimestamp: number, iat: number) {    super(`Incorrect "iat" claim must be a older than "${currentTimestamp}" (iat: "${iat}")`)    this.name = 'JwtTokenIssuedAt'  }}
export class JwtHeaderInvalid extends Error {  constructor(header: object) {    super(`jwt header is invalid: ${JSON.stringify(header)}`)    this.name = 'JwtHeaderInvalid'  }}
export class JwtTokenSignatureMismatched extends Error {  constructor(token: string) {    super(`token(${token}) signature mismatched`)    this.name = 'JwtTokenSignatureMismatched'  }}
export enum CryptoKeyUsage {  Encrypt = 'encrypt',  Decrypt = 'decrypt',  Sign = 'sign',  Verify = 'verify',  DeriveKey = 'deriveKey',  DeriveBits = 'deriveBits',  WrapKey = 'wrapKey',  UnwrapKey = 'unwrapKey',}
/** * JWT Payload */export type JWTPayload =  | (unknown & {})  | {      [key: string]: unknown      /**       * The token is checked to ensure it has not expired.       */      exp?: number      /**       * The token is checked to ensure it is not being used before a specified time.       */      nbf?: number      /**       * The token is checked to ensure it is not issued in the future.       */      iat?: number    }