How to use the @loopback/rest-explorer.RestExplorerBindings.CONFIG function in @loopback/rest-explorer

constructor(options: ApplicationConfig = {}) {
    super(options);

    // Set up the custom sequence
    this.sequence(MySequence);

    // Set up default home page
    this.static('/', path.join(__dirname, '../public'));

    // Customize @loopback/rest-explorer configuration here
    this.bind(RestExplorerBindings.CONFIG).to({
      path: '/explorer',
    });
    this.component(RestExplorerComponent);
    this.component(HealthComponent);

    this.projectRoot = __dirname;
    // Customize @loopback/boot Booter Conventions here
    this.bootOptions = {
      controllers: {
        // Customize ControllerBooter Conventions here
        dirs: ['controllers'],
        extensions: ['.controller.js'],
        nested: true,
      },
    };
  }

this.bind('casbin.enforcer').toDynamicValue(createEnforcer);
    this.bind('authorizationProviders.casbin-provider')
      .toProvider(CasbinAuthorizationProvider)
      .tag(AuthorizationTags.AUTHORIZER);

    // authentication
    registerAuthenticationStrategy(this, JWTAuthenticationStrategy);

    // Set up the custom sequence
    this.sequence(MyAuthenticationSequence);

    // Set up default home page
    this.static('/', path.join(__dirname, '../public'));

    // Customize @loopback/rest-explorer configuration here
    this.bind(RestExplorerBindings.CONFIG).to({
      path: '/explorer',
    });
    this.component(RestExplorerComponent);

    this.projectRoot = __dirname;
    // Customize @loopback/boot Booter Conventions here
    this.bootOptions = {
      controllers: {
        // Customize ControllerBooter Conventions here
        dirs: ['controllers'],
        extensions: ['.controller.js'],
        nested: true,
      },
    };
  }

constructor(options: ApplicationConfig = {}) {
    super(options);

    // Set up the custom sequence
    this.sequence(MySequence);

    // Set up default home page
    this.static('/', path.join(__dirname, '../public'));

    // // Customize @loopback/rest-explorer configuration here
    this.bind(RestExplorerBindings.CONFIG).to({
      path: '/explorer',
    });
    this.component(RestExplorerComponent);

    // Add authentication component
    this.component(AuthenticationComponent);
    // Customize authentication verify handlers
    this.bind(Strategies.Passport.OAUTH2_CLIENT_PASSWORD_VERIFIER).toProvider(
      ClientPasswordVerifyProvider,
    );
    this.bind(Strategies.Passport.LOCAL_PASSWORD_VERIFIER).toProvider(
      LocalPasswordVerifyProvider,
    );
    this.bind(Strategies.Passport.BEARER_TOKEN_VERIFIER).toProvider(
      BearerTokenVerifyProvider,
    );

//add
    // Bind authentication component related elements
    this.component(AuthenticationComponent);
    // Bind JWT & permission authentication strategy related elements
    registerAuthenticationStrategy(this, JWTStrategy);
    this.bind(MyAuthBindings.TOKEN_SERVICE).toClass(JWTService);
    this.bind(MyAuthBindings.USER_PERMISSIONS).toProvider(UserPermissionsProvider);
    // Set up the custom sequence
    this.sequence(MySequence);

    // Set up default home page
    this.static('/', path.join(__dirname, '../public'));

    // Customize @loopback/rest-explorer configuration here
    this.bind(RestExplorerBindings.CONFIG).to({
      path: '/explorer',
    });
    this.component(RestExplorerComponent);

    this.projectRoot = __dirname;
    // Customize @loopback/boot Booter Conventions here
    this.bootOptions = {
      controllers: {
        // Customize ControllerBooter Conventions here
        dirs: ['controllers'],
        extensions: ['.controller.js'],
        nested: true,
      },
    };
  }
}

constructor(options: ApplicationConfig = {}) {
    super(options);

    // Set up the custom sequence
    this.sequence(MySequence);

    // Set up default home page
    this.static('/', path.join(__dirname, '../public'));

    // Customize @loopback/rest-explorer configuration here
    this.bind(RestExplorerBindings.CONFIG).to({
      path: '/explorer',
    });
    this.component(RestExplorerComponent);

    // this.component(AuthenticationComponent);
    this.bind(AuthenticationBindings.METADATA).toProvider(MyAuthMetadataProvider);
    this.bind(MyAuthBindings.STRATEGY).toProvider(MyAuthAuthenticationStrategyProvider);
    this.bind(AuthenticationBindings.AUTH_ACTION).toProvider(MyAuthActionProvider);

    this.projectRoot = __dirname;
    // Customize @loopback/boot Booter Conventions here
    this.bootOptions = {
      controllers: {
        // Customize ControllerBooter Conventions here
        dirs: ['controllers'],
        extensions: ['.controller.js'],