// Copyright 2024 Google LLC // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. syntax = "proto3"; package google.cloud.iap.v1; import "google/api/annotations.proto"; import "google/api/client.proto"; import "google/api/field_behavior.proto"; import "google/api/resource.proto"; import "google/iam/v1/iam_policy.proto"; import "google/iam/v1/policy.proto"; import "google/protobuf/duration.proto"; import "google/protobuf/empty.proto"; import "google/protobuf/field_mask.proto"; import "google/protobuf/wrappers.proto"; option csharp_namespace = "Google.Cloud.Iap.V1"; option go_package = "cloud.google.com/go/iap/apiv1/iappb;iappb"; option java_multiple_files = true; option java_package = "com.google.cloud.iap.v1"; option php_namespace = "Google\\Cloud\\Iap\\V1"; option ruby_package = "Google::Cloud::Iap::V1"; option (google.api.resource_definition) = { type: "iap.googleapis.com/TunnelLocation" pattern: "projects/{project}/iap_tunnel/locations/{location}" }; // The Cloud Identity-Aware Proxy API. // APIs for Identity-Aware Proxy Admin configurations. service IdentityAwareProxyAdminService { option (google.api.default_host) = "iap.googleapis.com"; option (google.api.oauth_scopes) = "https://www.googleapis.com/auth/cloud-platform"; // Sets the access control policy for an Identity-Aware Proxy protected // resource. Replaces any existing policy. // More information about managing access via IAP can be found at: // https://cloud.google.com/iap/docs/managing-access#managing_access_via_the_api rpc SetIamPolicy(google.iam.v1.SetIamPolicyRequest) returns (google.iam.v1.Policy) { option (google.api.http) = { post: "/v1/{resource=**}:setIamPolicy" body: "*" }; } // Gets the access control policy for an Identity-Aware Proxy protected // resource. // More information about managing access via IAP can be found at: // https://cloud.google.com/iap/docs/managing-access#managing_access_via_the_api rpc GetIamPolicy(google.iam.v1.GetIamPolicyRequest) returns (google.iam.v1.Policy) { option (google.api.http) = { post: "/v1/{resource=**}:getIamPolicy" body: "*" }; } // Returns permissions that a caller has on the Identity-Aware Proxy protected // resource. // More information about managing access via IAP can be found at: // https://cloud.google.com/iap/docs/managing-access#managing_access_via_the_api rpc TestIamPermissions(google.iam.v1.TestIamPermissionsRequest) returns (google.iam.v1.TestIamPermissionsResponse) { option (google.api.http) = { post: "/v1/{resource=**}:testIamPermissions" body: "*" }; } // Gets the IAP settings on a particular IAP protected resource. rpc GetIapSettings(GetIapSettingsRequest) returns (IapSettings) { option (google.api.http) = { get: "/v1/{name=**}:iapSettings" }; } // Updates the IAP settings on a particular IAP protected resource. It // replaces all fields unless the `update_mask` is set. rpc UpdateIapSettings(UpdateIapSettingsRequest) returns (IapSettings) { option (google.api.http) = { patch: "/v1/{iap_settings.name=**}:iapSettings" body: "iap_settings" }; } // Lists the existing TunnelDestGroups. To group across all locations, use a // `-` as the location ID. For example: // `/v1/projects/123/iap_tunnel/locations/-/destGroups` rpc ListTunnelDestGroups(ListTunnelDestGroupsRequest) returns (ListTunnelDestGroupsResponse) { option (google.api.http) = { get: "/v1/{parent=projects/*/iap_tunnel/locations/*}/destGroups" }; option (google.api.method_signature) = "parent"; } // Creates a new TunnelDestGroup. rpc CreateTunnelDestGroup(CreateTunnelDestGroupRequest) returns (TunnelDestGroup) { option (google.api.http) = { post: "/v1/{parent=projects/*/iap_tunnel/locations/*}/destGroups" body: "tunnel_dest_group" }; option (google.api.method_signature) = "parent,tunnel_dest_group,tunnel_dest_group_id"; } // Retrieves an existing TunnelDestGroup. rpc GetTunnelDestGroup(GetTunnelDestGroupRequest) returns (TunnelDestGroup) { option (google.api.http) = { get: "/v1/{name=projects/*/iap_tunnel/locations/*/destGroups/*}" }; option (google.api.method_signature) = "name"; } // Deletes a TunnelDestGroup. rpc DeleteTunnelDestGroup(DeleteTunnelDestGroupRequest) returns (google.protobuf.Empty) { option (google.api.http) = { delete: "/v1/{name=projects/*/iap_tunnel/locations/*/destGroups/*}" }; option (google.api.method_signature) = "name"; } // Updates a TunnelDestGroup. rpc UpdateTunnelDestGroup(UpdateTunnelDestGroupRequest) returns (TunnelDestGroup) { option (google.api.http) = { patch: "/v1/{tunnel_dest_group.name=projects/*/iap_tunnel/locations/*/destGroups/*}" body: "tunnel_dest_group" }; option (google.api.method_signature) = "tunnel_dest_group,update_mask"; } } // API to programmatically create, list and retrieve Identity Aware Proxy (IAP) // OAuth brands; and create, retrieve, delete and reset-secret of IAP OAuth // clients. service IdentityAwareProxyOAuthService { option (google.api.default_host) = "iap.googleapis.com"; option (google.api.oauth_scopes) = "https://www.googleapis.com/auth/cloud-platform"; // Lists the existing brands for the project. rpc ListBrands(ListBrandsRequest) returns (ListBrandsResponse) { option (google.api.http) = { get: "/v1/{parent=projects/*}/brands" }; } // Constructs a new OAuth brand for the project if one does not exist. // The created brand is "internal only", meaning that OAuth clients created // under it only accept requests from users who belong to the same Google // Workspace organization as the project. The brand is created in an // un-reviewed status. NOTE: The "internal only" status can be manually // changed in the Google Cloud Console. Requires that a brand does not already // exist for the project, and that the specified support email is owned by the // caller. rpc CreateBrand(CreateBrandRequest) returns (Brand) { option (google.api.http) = { post: "/v1/{parent=projects/*}/brands" body: "brand" }; } // Retrieves the OAuth brand of the project. rpc GetBrand(GetBrandRequest) returns (Brand) { option (google.api.http) = { get: "/v1/{name=projects/*/brands/*}" }; } // Creates an Identity Aware Proxy (IAP) OAuth client. The client is owned // by IAP. Requires that the brand for the project exists and that it is // set for internal-only use. rpc CreateIdentityAwareProxyClient(CreateIdentityAwareProxyClientRequest) returns (IdentityAwareProxyClient) { option (google.api.http) = { post: "/v1/{parent=projects/*/brands/*}/identityAwareProxyClients" body: "identity_aware_proxy_client" }; } // Lists the existing clients for the brand. rpc ListIdentityAwareProxyClients(ListIdentityAwareProxyClientsRequest) returns (ListIdentityAwareProxyClientsResponse) { option (google.api.http) = { get: "/v1/{parent=projects/*/brands/*}/identityAwareProxyClients" }; } // Retrieves an Identity Aware Proxy (IAP) OAuth client. // Requires that the client is owned by IAP. rpc GetIdentityAwareProxyClient(GetIdentityAwareProxyClientRequest) returns (IdentityAwareProxyClient) { option (google.api.http) = { get: "/v1/{name=projects/*/brands/*/identityAwareProxyClients/*}" }; } // Resets an Identity Aware Proxy (IAP) OAuth client secret. Useful if the // secret was compromised. Requires that the client is owned by IAP. rpc ResetIdentityAwareProxyClientSecret( ResetIdentityAwareProxyClientSecretRequest) returns (IdentityAwareProxyClient) { option (google.api.http) = { post: "/v1/{name=projects/*/brands/*/identityAwareProxyClients/*}:resetSecret" body: "*" }; } // Deletes an Identity Aware Proxy (IAP) OAuth client. Useful for removing // obsolete clients, managing the number of clients in a given project, and // cleaning up after tests. Requires that the client is owned by IAP. rpc DeleteIdentityAwareProxyClient(DeleteIdentityAwareProxyClientRequest) returns (google.protobuf.Empty) { option (google.api.http) = { delete: "/v1/{name=projects/*/brands/*/identityAwareProxyClients/*}" }; } } // The request to ListTunnelDestGroups. message ListTunnelDestGroupsRequest { // Required. Google Cloud Project ID and location. // In the following format: // `projects/{project_number/id}/iap_tunnel/locations/{location}`. // A `-` can be used for the location to group across all locations. string parent = 1 [ (google.api.field_behavior) = REQUIRED, (google.api.resource_reference) = { type: "iap.googleapis.com/TunnelLocation" } ]; // The maximum number of groups to return. The service might return fewer than // this value. // If unspecified, at most 100 groups are returned. // The maximum value is 1000; values above 1000 are coerced to 1000. int32 page_size = 2; // A page token, received from a previous `ListTunnelDestGroups` // call. Provide this to retrieve the subsequent page. // // When paginating, all other parameters provided to // `ListTunnelDestGroups` must match the call that provided the page // token. string page_token = 3; } // The response from ListTunnelDestGroups. message ListTunnelDestGroupsResponse { // TunnelDestGroup existing in the project. repeated TunnelDestGroup tunnel_dest_groups = 1; // A token that you can send as `page_token` to retrieve the next page. // If this field is omitted, there are no subsequent pages. string next_page_token = 2; } // The request to CreateTunnelDestGroup. message CreateTunnelDestGroupRequest { // Required. Google Cloud Project ID and location. // In the following format: // `projects/{project_number/id}/iap_tunnel/locations/{location}`. string parent = 1 [ (google.api.field_behavior) = REQUIRED, (google.api.resource_reference) = { child_type: "iap.googleapis.com/TunnelDestGroup" } ]; // Required. The TunnelDestGroup to create. TunnelDestGroup tunnel_dest_group = 2 [(google.api.field_behavior) = REQUIRED]; // Required. The ID to use for the TunnelDestGroup, which becomes the final // component of the resource name. // // This value must be 4-63 characters, and valid characters // are `[a-z]-`. string tunnel_dest_group_id = 3 [(google.api.field_behavior) = REQUIRED]; } // The request to GetTunnelDestGroup. message GetTunnelDestGroupRequest { // Required. Name of the TunnelDestGroup to be fetched. // In the following format: // `projects/{project_number/id}/iap_tunnel/locations/{location}/destGroups/{dest_group}`. string name = 1 [ (google.api.field_behavior) = REQUIRED, (google.api.resource_reference) = { type: "iap.googleapis.com/TunnelDestGroup" } ]; } // The request to DeleteTunnelDestGroup. message DeleteTunnelDestGroupRequest { // Required. Name of the TunnelDestGroup to delete. // In the following format: // `projects/{project_number/id}/iap_tunnel/locations/{location}/destGroups/{dest_group}`. string name = 1 [ (google.api.field_behavior) = REQUIRED, (google.api.resource_reference) = { type: "iap.googleapis.com/TunnelDestGroup" } ]; } // The request to UpdateTunnelDestGroup. message UpdateTunnelDestGroupRequest { // Required. The new values for the TunnelDestGroup. TunnelDestGroup tunnel_dest_group = 1 [(google.api.field_behavior) = REQUIRED]; // A field mask that specifies which IAP settings to update. // If omitted, then all of the settings are updated. See // https://developers.google.com/protocol-buffers/docs/reference/google.protobuf#fieldmask google.protobuf.FieldMask update_mask = 2; } // A TunnelDestGroup. message TunnelDestGroup { option (google.api.resource) = { type: "iap.googleapis.com/TunnelDestGroup" pattern: "projects/{project}/iap_tunnel/locations/{location}/destGroups/{dest_group}" }; // Required. Immutable. Identifier for the TunnelDestGroup. Must be unique // within the project and contain only lower case letters (a-z) and dashes // (-). string name = 1 [ (google.api.field_behavior) = REQUIRED, (google.api.field_behavior) = IMMUTABLE ]; // Unordered list. List of CIDRs that this group applies to. repeated string cidrs = 2 [(google.api.field_behavior) = UNORDERED_LIST]; // Unordered list. List of FQDNs that this group applies to. repeated string fqdns = 3 [(google.api.field_behavior) = UNORDERED_LIST]; } // The request sent to GetIapSettings. message GetIapSettingsRequest { // Required. The resource name for which to retrieve the settings. // Authorization: Requires the `getSettings` permission for the associated // resource. string name = 1 [(google.api.field_behavior) = REQUIRED]; } // The request sent to UpdateIapSettings. message UpdateIapSettingsRequest { // Required. The new values for the IAP settings to be updated. // Authorization: Requires the `updateSettings` permission for the associated // resource. IapSettings iap_settings = 1 [(google.api.field_behavior) = REQUIRED]; // The field mask specifying which IAP settings should be updated. // If omitted, then all of the settings are updated. See // https://developers.google.com/protocol-buffers/docs/reference/google.protobuf#fieldmask. // // Note: All IAP reauth settings must always be set together, using the // field mask: `iapSettings.accessSettings.reauthSettings`. google.protobuf.FieldMask update_mask = 2; } // The IAP configurable settings. message IapSettings { // Required. The resource name of the IAP protected resource. string name = 1 [(google.api.field_behavior) = REQUIRED]; // Top level wrapper for all access related setting in IAP AccessSettings access_settings = 5; // Top level wrapper for all application related settings in IAP ApplicationSettings application_settings = 6; } // Access related settings for IAP protected apps. message AccessSettings { // GCIP claims and endpoint configurations for 3p identity providers. GcipSettings gcip_settings = 1; // Configuration to allow cross-origin requests via IAP. CorsSettings cors_settings = 2; // Settings to configure IAP's OAuth behavior. OAuthSettings oauth_settings = 3; // Settings to configure reauthentication policies in IAP. ReauthSettings reauth_settings = 6; // Settings to configure and enable allowed domains. AllowedDomainsSettings allowed_domains_settings = 7; } // Allows customers to configure tenant_id for GCIP instance per-app. message GcipSettings { // GCIP tenant ids that are linked to the IAP resource. // tenant_ids could be a string beginning with a number character to indicate // authenticating with GCIP tenant flow, or in the format of _ // to indicate authenticating with GCIP agent flow. // If agent flow is used, tenant_ids should only contain one single element, // while for tenant flow, tenant_ids can contain multiple elements. repeated string tenant_ids = 1; // Login page URI associated with the GCIP tenants. // Typically, all resources within the same project share the same login page, // though it could be overridden at the sub resource level. google.protobuf.StringValue login_page_uri = 2; } // Allows customers to configure HTTP request paths that'll allow HTTP OPTIONS // call to bypass authentication and authorization. message CorsSettings { // Configuration to allow HTTP OPTIONS calls to skip authorization. If // undefined, IAP will not apply any special logic to OPTIONS requests. google.protobuf.BoolValue allow_http_options = 1; } // Configuration for OAuth login&consent flow behavior as well as for OAuth // Credentials. message OAuthSettings { // Domain hint to send as hd=? parameter in OAuth request flow. Enables // redirect to primary IDP by skipping Google's login screen. // https://developers.google.com/identity/protocols/OpenIDConnect#hd-param // Note: IAP does not verify that the id token's hd claim matches this value // since access behavior is managed by IAM policies. google.protobuf.StringValue login_hint = 2; // List of OAuth client IDs allowed to programmatically authenticate with IAP. repeated string programmatic_clients = 5; } // Configuration for IAP reauthentication policies. message ReauthSettings { // Types of reauthentication methods supported by IAP. enum Method { // Reauthentication disabled. METHOD_UNSPECIFIED = 0; // Prompts the user to log in again. LOGIN = 1; PASSWORD = 2 [deprecated = true]; // User must use their secure key 2nd factor device. SECURE_KEY = 3; // User can use any enabled 2nd factor. ENROLLED_SECOND_FACTORS = 4; } // Type of policy in the case of hierarchial policies. enum PolicyType { // Default value. This value is unused. POLICY_TYPE_UNSPECIFIED = 0; // This policy acts as a minimum to other policies, lower in the hierarchy. // Effective policy may only be the same or stricter. MINIMUM = 1; // This policy acts as a default if no other reauth policy is set. DEFAULT = 2; } // Reauth method requested. Method method = 1; // Reauth session lifetime, how long before a user has to reauthenticate // again. google.protobuf.Duration max_age = 2; // How IAP determines the effective policy in cases of hierarchial policies. // Policies are merged from higher in the hierarchy to lower in the hierarchy. PolicyType policy_type = 3; } // Configuration for IAP allowed domains. Lets you to restrict access to an app // and allow access to only the domains that you list. message AllowedDomainsSettings { // Configuration for customers to opt in for the feature. optional bool enable = 1; // List of trusted domains. repeated string domains = 2; } // Wrapper over application specific settings for IAP. message ApplicationSettings { // Settings to configure IAP's behavior for a service mesh. CsmSettings csm_settings = 1; // Customization for Access Denied page. AccessDeniedPageSettings access_denied_page_settings = 2; // The Domain value to set for cookies generated by IAP. This value is not // validated by the API, but will be ignored at runtime if invalid. google.protobuf.StringValue cookie_domain = 3; // Settings to configure attribute propagation. AttributePropagationSettings attribute_propagation_settings = 4; } // Configuration for RCToken generated for service mesh workloads protected by // IAP. RCToken are IAP generated JWTs that can be verified at the application. // The RCToken is primarily used for service mesh deployments, and can be scoped // to a single mesh by configuring the audience field accordingly. message CsmSettings { // Audience claim set in the generated RCToken. This value is not validated by // IAP. google.protobuf.StringValue rctoken_aud = 1; } // Custom content configuration for access denied page. // IAP allows customers to define a custom URI to use as the error page when // access is denied to users. If IAP prevents access to this page, the default // IAP error page will be displayed instead. message AccessDeniedPageSettings { // The URI to be redirected to when access is denied. google.protobuf.StringValue access_denied_page_uri = 1; // Whether to generate a troubleshooting URL on access denied events to this // application. google.protobuf.BoolValue generate_troubleshooting_uri = 2; // Whether to generate remediation token on access denied events to this // application. optional google.protobuf.BoolValue remediation_token_generation_enabled = 3; } // Configuration for propagating attributes to applications protected // by IAP. message AttributePropagationSettings { // Supported output credentials for attribute propagation. Each output // credential maps to a "field" in the response. For example, selecting JWT // will propagate all attributes in the IAP JWT, header in the headers, etc. enum OutputCredentials { // An output credential is required. OUTPUT_CREDENTIALS_UNSPECIFIED = 0; // Propagate attributes in the headers with "x-goog-iap-attr-" prefix. HEADER = 1; // Propagate attributes in the JWT of the form: `"additional_claims": { // "my_attribute": ["value1", "value2"] }` JWT = 2; // Propagate attributes in the RCToken of the form: `"additional_claims": { // "my_attribute": ["value1", "value2"] }` RCTOKEN = 3; } // Raw string CEL expression. Must return a list of attributes. A maximum of // 45 attributes can be selected. Expressions can select different attribute // types from `attributes`: `attributes.saml_attributes`, // `attributes.iap_attributes`. The following functions are supported: // // - filter `.filter(, )`: Returns a subset of // `` where `` is true for every item. // // - in ` in `: Returns true if `` contains ``. // // - selectByName `.selectByName()`: Returns the attribute // in // `` with the given `` name, otherwise returns empty. // // - emitAs `.emitAs()`: Sets the `` name // field to the given `` for propagation in selected output // credentials. // // - strict `.strict()`: Ignores the `x-goog-iap-attr-` prefix // for the provided `` when propagating with the `HEADER` output // credential, such as request headers. // // - append `.append()` OR // `.append()`: Appends the provided `` or // `` to the end of ``. // // Example expression: `attributes.saml_attributes.filter(x, x.name in // ['test']).append(attributes.iap_attributes.selectByName('exact').emitAs('custom').strict())` optional string expression = 1; // Which output credentials attributes selected by the CEL expression should // be propagated in. All attributes will be fully duplicated in each selected // output credential. repeated OutputCredentials output_credentials = 2; // Whether the provided attribute propagation settings should be evaluated on // user requests. If set to true, attributes returned from the expression will // be propagated in the set output credentials. optional bool enable = 3; } // The request sent to ListBrands. message ListBrandsRequest { // Required. GCP Project number/id. // In the following format: projects/{project_number/id}. string parent = 1 [(google.api.field_behavior) = REQUIRED]; } // Response message for ListBrands. message ListBrandsResponse { // Brands existing in the project. repeated Brand brands = 1; } // The request sent to CreateBrand. message CreateBrandRequest { // Required. GCP Project number/id under which the brand is to be created. // In the following format: projects/{project_number/id}. string parent = 1 [(google.api.field_behavior) = REQUIRED]; // Required. The brand to be created. Brand brand = 2 [(google.api.field_behavior) = REQUIRED]; } // The request sent to GetBrand. message GetBrandRequest { // Required. Name of the brand to be fetched. // In the following format: projects/{project_number/id}/brands/{brand}. string name = 1 [(google.api.field_behavior) = REQUIRED]; } // The request sent to ListIdentityAwareProxyClients. message ListIdentityAwareProxyClientsRequest { // Required. Full brand path. // In the following format: projects/{project_number/id}/brands/{brand}. string parent = 1 [(google.api.field_behavior) = REQUIRED]; // The maximum number of clients to return. The service may return fewer than // this value. // If unspecified, at most 100 clients will be returned. // The maximum value is 1000; values above 1000 will be coerced to 1000. int32 page_size = 2; // A page token, received from a previous `ListIdentityAwareProxyClients` // call. Provide this to retrieve the subsequent page. // // When paginating, all other parameters provided to // `ListIdentityAwareProxyClients` must match the call that provided the page // token. string page_token = 3; } // Response message for ListIdentityAwareProxyClients. message ListIdentityAwareProxyClientsResponse { // Clients existing in the brand. repeated IdentityAwareProxyClient identity_aware_proxy_clients = 1; // A token, which can be send as `page_token` to retrieve the next page. // If this field is omitted, there are no subsequent pages. string next_page_token = 2; } // The request sent to CreateIdentityAwareProxyClient. message CreateIdentityAwareProxyClientRequest { // Required. Path to create the client in. // In the following format: // projects/{project_number/id}/brands/{brand}. // The project must belong to a G Suite account. string parent = 1 [(google.api.field_behavior) = REQUIRED]; // Required. Identity Aware Proxy Client to be created. IdentityAwareProxyClient identity_aware_proxy_client = 2 [(google.api.field_behavior) = REQUIRED]; } // The request sent to GetIdentityAwareProxyClient. message GetIdentityAwareProxyClientRequest { // Required. Name of the Identity Aware Proxy client to be fetched. // In the following format: // projects/{project_number/id}/brands/{brand}/identityAwareProxyClients/{client_id}. string name = 1 [(google.api.field_behavior) = REQUIRED]; } // The request sent to ResetIdentityAwareProxyClientSecret. message ResetIdentityAwareProxyClientSecretRequest { // Required. Name of the Identity Aware Proxy client to that will have its // secret reset. In the following format: // projects/{project_number/id}/brands/{brand}/identityAwareProxyClients/{client_id}. string name = 1 [(google.api.field_behavior) = REQUIRED]; } // The request sent to DeleteIdentityAwareProxyClient. message DeleteIdentityAwareProxyClientRequest { // Required. Name of the Identity Aware Proxy client to be deleted. // In the following format: // projects/{project_number/id}/brands/{brand}/identityAwareProxyClients/{client_id}. string name = 1 [(google.api.field_behavior) = REQUIRED]; } // OAuth brand data. // NOTE: Only contains a portion of the data that describes a brand. message Brand { // Output only. Identifier of the brand. // NOTE: GCP project number achieves the same brand identification purpose as // only one brand per project can be created. string name = 1 [(google.api.field_behavior) = OUTPUT_ONLY]; // Support email displayed on the OAuth consent screen. string support_email = 2; // Application name displayed on OAuth consent screen. string application_title = 3; // Output only. Whether the brand is only intended for usage inside the // G Suite organization only. bool org_internal_only = 4 [(google.api.field_behavior) = OUTPUT_ONLY]; } // Contains the data that describes an Identity Aware Proxy owned client. message IdentityAwareProxyClient { // Output only. Unique identifier of the OAuth client. string name = 1 [(google.api.field_behavior) = OUTPUT_ONLY]; // Output only. Client secret of the OAuth client. string secret = 2 [(google.api.field_behavior) = OUTPUT_ONLY]; // Human-friendly name given to the OAuth client. string display_name = 3; }