external/conscrypt/Android.bp

//
// Copyright (C) 2016 The Android Open Source Project
//
// 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.
//

package {
    default_visibility: [
        ":__subpackages__",
    ],
    default_applicable_licenses: ["external_conscrypt_license"],
}

// Added automatically by a large-scale-change that took the approach of
// 'apply every license found to every target'. While this makes sure we respect
// every license restriction, it may not be entirely correct.
//
// e.g. GPL in an MIT project might only apply to the contrib/ directory.
//
// Please consider splitting the single license below into multiple licenses,
// taking care not to lose any license_kind information, and overriding the
// default license using the 'licenses: [...]' property on targets as needed.
//
// For unused files, consider creating a 'fileGroup' with "//visibility:private"
// to attach the license to, and including a comment whether the files may be
// used in the current project.
//
// large-scale-change included anything that looked like it might be a license
// text as a license_text. e.g. LICENSE, NOTICE, COPYING etc.
//
// Please consider removing redundant or irrelevant files from 'license_text:'.
// See: http://go/android-license-faq
license {
    name: "external_conscrypt_license",
    visibility: [":__subpackages__"],
    license_kinds: [
        "SPDX-license-identifier-Apache-2.0",
        "legacy_unencumbered",
    ],
    license_text: [
        "LICENSE",
        "NOTICE",
        "licenses/**/*",
    ],
}

//
// Definitions for building the Conscrypt Java library, native code,
// and associated tests.
//

// Conscrypt is divided into subdirectories.
//
// The structure is:
//
//   constants/
//       src/gen             # Generates NativeConstants.java.
//   common/
//       src/main/java       # Common Java source for all platforms.
//       src/jni/
//            main           # Common C++ source for all platforms.
//            unbundled      # C++ source used for OpenJDK and unbundled Android.
//       src/test/java       # Common test files for all platforms.
//   android/
//       src/main/java       # Java source for unbundled Android.
//   openjdk/
//       src/main/java       # Java source for OpenJDK.
//       src/test
//            java/          # Java source for common tests.
//            resources/     # Support files for tests
//   platform/
//       src/main/java       # Java source for bundled Android.
//       src/test
//            java/          # Java source for bundled tests.
//

cc_defaults {
    name: "conscrypt_global",

    cflags: [
        "-Wall",
        "-Wextra",
        "-Werror",
        "-Wunused",
    ],

    srcs: [
        "common/src/jni/main/cpp/conscrypt/compatibility_close_monitor.cc",
        "common/src/jni/main/cpp/conscrypt/jniload.cc",
        "common/src/jni/main/cpp/conscrypt/jniutil.cc",
        "common/src/jni/main/cpp/conscrypt/native_crypto.cc",
        "common/src/jni/main/cpp/conscrypt/netutil.cc",
    ],

    header_libs: ["jni_headers"],

    local_include_dirs: [
        "common/src/jni/main/include",
    ],

    compile_multilib: "both",
    stl: "c++_static",
}

cc_defaults {
    name: "conscrypt_unbundled-jni-defaults",

    local_include_dirs: [
        "common/src/jni/unbundled/include",
    ],

    header_libs: ["jni_headers"],

    shared_libs: [
        "liblog",
    ],

    static_libs: [
        "libssl",
        "libcrypto_static",
    ],

    sdk_version: "9",
}

cc_library {
    name: "libconscrypt_jni",
    defaults: [
        "conscrypt_global",
        "conscrypt_unbundled-jni-defaults",
    ],
}

cc_library_host_shared {
    name: "libconscrypt_openjdk_jni",
    visibility: [
        "//build/make/tools/signapk",
        "//cts/hostsidetests/library", // from CtsUseNativeLibraryBuildPackage
        "//tools/apksig",
        "//vendor:__subpackages__",
    ],
    defaults: ["conscrypt_global"],

    cflags: [
        "-DCONSCRYPT_OPENJDK",
    ],

    local_include_dirs: [
        "common/src/jni/unbundled/include",
    ],

    static_libs: [
        "libssl",
        "libcrypto_static",
    ],

    // TODO: b/26097626. ASAN breaks use of this library in JVM.
    // Re-enable sanitization when the issue with making clients of this library
    // preload ASAN runtime is resolved. Without that, clients are getting runtime
    // errors due to unresolved ASAN symbols, such as
    // __asan_option_detect_stack_use_after_return.
    sanitize: {
        never: true,
    },

    stl: "libc++_static",

    // The post-build signing tools need signapk.jar and its shared libs
    multilib: {
        lib64: {
            dist: {
                targets: ["droidcore"],
            },
        },
    },
}

aconfig_declarations {
    name: "conscrypt-aconfig-flags",
    package: "com.android.org.conscrypt.flags",
    container: "com.android.conscrypt",
    srcs: ["conscrypt.aconfig"],
    exportable: true,
    visibility: [
        "//frameworks/base",
    ],
}

java_aconfig_library {
    name: "conscrypt-aconfig-flags-lib",
    aconfig_declarations: "conscrypt-aconfig-flags",
    system_modules: "art-module-intra-core-api-stubs-system-modules",
    libs: [
        "aconfig-annotations-lib-sdk-none",
        "unsupportedappusage",
    ],
    sdk_version: "none",
    patch_module: "java.base",
    apex_available: [
        "com.android.conscrypt",
    ],
    min_sdk_version: "30",
    installable: false,
    visibility: [
        "//cts/tests/tests/networksecurityconfig:__subpackages__",
    ],
}

cc_binary_host {
    name: "conscrypt_generate_constants",
    srcs: ["constants/src/gen/cpp/generate_constants.cc"],
    cflags: [
        "-Wall",
        "-Werror",
    ],
    shared_libs: [
        "libcrypto",
        "libssl",
    ],
}

genrule {
    name: "conscrypt-unbundled_generated_constants",
    out: ["org/conscrypt/NativeConstants.java"],
    cmd: "$(location conscrypt_generate_constants) > $(out)",
    tools: ["conscrypt_generate_constants"],
}

genrule {
    name: "conscrypt_generated_constants",
    out: ["com/android/org/conscrypt/NativeConstants.java"],
    cmd: "$(location conscrypt_generate_constants) com.android.org.conscrypt > $(out)",
    tools: ["conscrypt_generate_constants"],
}

filegroup {
    name: "conscrypt_java_files",
    srcs: [
        "repackaged/common/src/main/java/**/*.java",
        "repackaged/platform/src/main/java/**/*.java",
        ":conscrypt_generated_constants",
    ],
}

filegroup {
    name: "conscrypt_public_api_files",
    srcs: ["publicapi/src/main/java/**/*.java"],
    path: "publicapi/src/main/java",
}

// Create the conscrypt library from the source produced by the srcgen/generate_android_src.sh
// script.
java_library {
    name: "conscrypt",
    visibility: [
        "//device:__subpackages__",
        ":__subpackages__",
    ],
    apex_available: [
        "com.android.conscrypt",
        "test_com.android.conscrypt",
    ],
    // Conscrypt should support R
    min_sdk_version: "30",

    installable: true,
    // Hostdex is only for ART testing on host: ART build file has its
    // own hostdex support for conscrypt.
    hostdex: false,

    srcs: [
        ":conscrypt_java_files",
        ":conscrypt_public_api_files",
    ],

    libs: [
        "framework-annotations-lib",
        "unsupportedappusage",
    ],
    static_libs: [
        "conscrypt-aconfig-flags-lib",
    ],

    // Conscrypt can be updated independently from the other core libraries so it must only depend
    // on public SDK and intra-core APIs.
    sdk_version: "none",
    system_modules: "art-module-intra-core-api-stubs-system-modules",
    patch_module: "java.base",

    target: {
        // boringssl_self_test needed in both /system/bin and /apex/com.android.conscrypt/bin
        // prng_seeder is only needed in /system/bin
        // The required directive is here rather than under boringssl to avoid circular
        // dependencies.
        android: {
            required: [
                "boringssl_self_test",
                "prng_seeder",
            ],
        },
    },

    permitted_packages: [
        "android.net.ssl",
        "com.android.org.conscrypt",
    ],
}

// Java library for use on host, e.g. by robolectric.
java_library {
    name: "conscrypt-for-host",
    visibility: [
        "//art/build",
        "//external/robolectric-shadows",
        "//external/robolectric",
        "//frameworks/layoutlib",
    ],
    static_libs: [
        "conscrypt",
    ],
    sdk_version: "none",
    system_modules: "none",
}

// Referenced implicitly from conscrypt.module.platform.api.
filegroup {
    name: "conscrypt.module.platform.api.api.combined.public.latest",
    srcs: [
        "api/platform/last-api.txt",
    ],
}

// Referenced implicitly from conscrypt.module.platform.api.
filegroup {
    name: "conscrypt.module.platform.api-removed.api.combined.public.latest",
    srcs: [
        "api/platform/last-removed.txt",
    ],
}

// Referenced implicitly from conscrypt.module.platform.api.
filegroup {
    name: "conscrypt.module.platform.api-incompatibilities.api.public.latest",
    srcs: [
        "api/platform/last-incompatibilities.txt",
    ],
}

// A library containing the core platform API stubs of the Conscrypt module.
//
// Core platform APIs are only intended for use of other parts of the platform, not the
// core library modules.
//
// The API specification .txt files managed by this only contain the additional
// classes/members that are in the platform API but which are not in the public
// API.
//
// Note that this entire API surface is considered stable in the sense described in
// libcore/mmodules/core_platform_api/Android.bp.
java_sdk_library {
    name: "conscrypt.module.platform.api",
    visibility: [
        "//build/soong/java/core-libraries",
        "//external/wycheproof",
        // Visibility for prebuilt conscrypt-module-sdk from the prebuilt of
        // this module.
        // TODO(b/155921753): Restrict this when prebuilts are in their proper
        // locations.
        "//prebuilts:__subpackages__",

        // DO NOT REMOVE: Legacy visibility, needed for snapshots that are
        // generated for the S build.
        "//libcore/mmodules/core_platform_api",
    ],
    srcs: [
        ":conscrypt_java_files",
        ":conscrypt_public_api_files",
    ],
    api_dir: "api/platform",
    api_only: true,
    api_lint: {
        enabled: true,
    },
    droiddoc_options: [
        "--hide-annotation libcore.api.Hide",
        // Include the "public" API in the "platform" API.
        "--show-unannotated",
        "--show-single-annotation libcore.api.CorePlatformApi\\(status=libcore.api.CorePlatformApi.Status.STABLE\\)",
    ],
    hostdex: true,

    sdk_version: "none",
    system_modules: "art-module-lib-api-stubs-system-modules",

    dist_group: "android",
    dist_stem: "conscrypt-coreplatform",
    // TODO: remove this when Conscrypt's @CorePlatformApi has been migrated to @SystemApi
    unsafe_ignore_missing_latest_api: true,
    libs: [
        "conscrypt-aconfig-flags-lib",
    ],
}

// A library containing the public API stubs of the Conscrypt module.
java_sdk_library {
    name: "conscrypt.module.public.api",
    visibility: [
        "//build/soong/java/core-libraries",
        "//frameworks/base",
        "//frameworks/base/api",
        "//packages/modules/common/sdk",
        // TODO(b/165823103): Remove visiblity for IPsec once CorePlatformApi is available
        "//packages/modules/IPsec",
        // Visibility for prebuilt art-module-host-exports from the prebuilt of
        // this module.
        // TODO(b/155921753): Restrict this when prebuilts are in their proper
        // locations.
        "//prebuilts:__subpackages__",

        // DO NOT REMOVE: Legacy visibility, needed for snapshots that are
        // generated for the S build.
        "//libcore",
    ],
    srcs: [
        ":conscrypt_public_api_files",
    ],

    // The base name for the artifacts that are automatically published to the
    // dist and which end up in one of the sub-directories of prebuilts/sdk.
    // As long as this matches the name of the artifacts in prebuilts/sdk then
    // the API will be checked for compatibility against the latest released
    // version of the API.
    dist_stem: "conscrypt",

    public: {
        enabled: true,
    },
    system: {
        enabled: true,
    },
    module_lib: {
        enabled: true,
    },

    api_dir: "api/public",
    api_only: true,

    // Emit nullability annotations from the source to the stub files.
    annotations_enabled: true,

    java_version: "1.9",

    sdk_version: "none",
    system_modules: "art-module-public-api-stubs-system-modules",
    dist_group: "android",
}

// Referenced implicitly from conscrypt.module.intra.core.api.
filegroup {
    name: "conscrypt.module.intra.core.api.api.combined.public.latest",
    srcs: [
        "api/intra/last-api.txt",
    ],
}

// Referenced implicitly from conscrypt.module.intra.core.api.
filegroup {
    name: "conscrypt.module.intra.core.api-removed.api.combined.public.latest",
    srcs: [
        "api/intra/last-removed.txt",
    ],
}

// Referenced implicitly from conscrypt.module.intra.core.api.
filegroup {
    name: "conscrypt.module.intra.core.api-incompatibilities.api.public.latest",
    srcs: [
        "api/intra/last-incompatibilities.txt",
    ],
}

// A library containing the intra-core API stubs of the Conscrypt module.
//
// Intra-core APIs are only intended for the use of other core library modules.
//
// The API specification .txt files managed by this only contain the additional
// classes/members that are in the intra-core API but which are not the public API.
java_sdk_library {
    name: "conscrypt.module.intra.core.api",
    visibility: [
        "//external/okhttp",
        "//libcore:__subpackages__",
        // Visibility for prebuilt conscrypt-module-sdk from the prebuilt of
        // this module.
        // TODO(b/155921753): Restrict this when prebuilts are in their proper
        // locations.
        "//prebuilts:__subpackages__",
    ],
    srcs: [
        ":conscrypt_java_files",
        ":conscrypt_public_api_files",
    ],
    api_dir: "api/intra",
    api_only: true,
    droiddoc_options: [
        "--hide-annotation libcore.api.Hide",
        "--show-single-annotation libcore.api.IntraCoreApi",
    ],

    sdk_version: "none",
    system_modules: "art-module-intra-core-api-stubs-system-modules",

    // This module's output stubs contain apis defined in "conscrypt.module.public.api.stubs",
    // but adding "conscrypt.module.public.api" as a dependency of this module leads to circular
    // dependency and requires further bootstrapping. Thus, disable stubs generation from the
    // api signature files and generate stubs from the source Java files instead.
    build_from_text_stub: false,

    // Don't copy any output files to the dist.
    no_dist: true,
}

// Platform conscrypt crypto JNI library
cc_defaults {
    name: "libjavacrypto-defaults",

    cflags: [
        "-Wall",
        "-Wextra",
        "-Werror",
        "-Wunused",
        "-fvisibility=hidden",
    ],

    srcs: ["common/src/jni/main/cpp/**/*.cc"],
    header_libs: ["jni_headers"],
    local_include_dirs: ["common/src/jni/main/include"],
}

// Platform conscrypt crypto JNI library
cc_library_shared {
    name: "libjavacrypto",
    host_supported: true,
    defaults: ["libjavacrypto-defaults"],
    visibility: [
        ":__subpackages__",
        "//art/tools/ahat",
    ],
    cflags: ["-DJNI_JARJAR_PREFIX=com/android/"],
    header_libs: ["libnativehelper_header_only"],
    shared_libs: ["liblog"],

    target: {
        darwin: {
            enabled: false,
        },
        android: {
            runtime_libs: ["libandroidio"],
            shared_libs: [
                "libcrypto",
                "libssl",
            ],
        },
        not_windows: {
            runtime_libs: ["libandroidio"],
            // Link libcrypto and libssl statically on host, to ensure they stay current in
            // the prebuilt that's included in conscrypt-module-test-exports.
            static_libs: [
                "libcrypto",
                "libssl",
            ],
        },
    },
    apex_available: [
        "com.android.conscrypt",
        "test_com.android.conscrypt",
    ],
    min_sdk_version: "30",
}

// Unbundled Conscrypt jar for use by signapk and apksigner tool
//
// Builds against standard host libraries.
//
// This does not use java_library_host as that does not support the
// min_sdk_version property which needs to be set to make sure that this
// library is added to the sdk snapshot correctly.
java_library {
    name: "conscrypt-unbundled",
    visibility: [
        "//build/make/tools/signapk",
        "//tools/apksig",
        "//external/robolectric:__subpackages__",
    ],
    device_supported: false,
    host_supported: true,
    srcs: [
        "common/src/main/java/**/*.java",
        "openjdk/src/main/java/**/*.java",
        ":conscrypt-unbundled_generated_constants",
    ],
    javacflags: ["-XDignore.symbol.file"],
    java_version: "1.8",
    target: {
        windows: {
            enabled: true,
        },
    },
    // Make sure that this will be added to the sdk snapshot for S.
    min_sdk_version: "S",
}

// Interim library for accessing pseudo-JCA Conscrypt APIs such as HPKE until
// public APIs are available.  No stability guarentees, so limited visibility
// in order to track users.
java_library {
    name: "conscrypt-lite",
    visibility: [
        "//external/conscrypt:__subpackages__",
    ],
    device_supported: true,
    host_supported: true,
    srcs: [
        "common/src/main/java/**/ArrayUtils.java",
        "common/src/main/java/**/DuckTypedHpkeSpi.java",
        "common/src/main/java/**/Hkdf.java",
        "common/src/main/java/**/HpkeContext.java",
        "common/src/main/java/**/HpkeContextRecipient.java",
        "common/src/main/java/**/HpkeContextSender.java",
        "common/src/main/java/**/HpkeSpi.java",
        "common/src/main/java/**/HpkeSuite.java",
        "common/src/main/java/**/Internal.java",
        "common/src/main/java/**/Preconditions.java",
        "common/src/main/java/**/XdhKeySpec.java",
    ],
    jarjar_rules: "conscrypt-lite-jarjar-rules.txt",
}

// Static unbundled Conscrypt crypto JNI library
cc_library_static {
    name: "libconscrypt_static",
    defaults: ["libjavacrypto-defaults"],

    cflags: [
        "-DJNI_JARJAR_PREFIX=com/google/android/gms/",
        "-DCONSCRYPT_UNBUNDLED",
        "-DSTATIC_LIB",
    ],

    local_include_dirs: ["common/src/jni/unbundled/include"],

    static_libs: [
        "libssl",
        "libcrypto_static",
    ],
    sdk_version: "9",
    stl: "c++_shared",
}

java_library {
    name: "conscrypt-test-support",
    visibility: [
        "//frameworks/base/apct-tests/perftests/core",
    ],
    device_supported: true,
    host_supported: true,
    srcs: [
        "testing/src/main/java/**/*.java",
        ":conscrypt-unbundled_generated_constants",
    ],
    libs: [
        "junit",
        "bouncycastle-unbundled",
        "bouncycastle-bcpkix-unbundled",
        "bouncycastle-ocsp-unbundled",
    ],
}

filegroup {
    name: "conscrypt-all-test-files",
    srcs: [
        "repackaged/platform/src/test/java/**/*.java",
        "repackaged/common/src/test/java//**/*.java",
        "publicapi/src/test/java/**/*.java",
    ],
}

filegroup {
    name: "conscrypt-private-api-test-files",
    srcs: [
        "repackaged/platform/src/test/java/com/android/org/conscrypt/ct/*.java",
        "repackaged/platform/src/test/java/com/android/org/conscrypt/CertBlocklistTest.java",
        "repackaged/common/src/test/java/com/android/org/conscrypt/ct/*.java",
    ],
}

filegroup {
    name: "conscrypt-test-support-files",
    srcs: [
        "repackaged/testing/src/main/java/**/*.java",
    ],
}

filegroup {
    name: "conscrypt-xts-test-files",
    srcs: [
        ":conscrypt-all-test-files",
        ":conscrypt-test-support-files",
    ],
    exclude_srcs: [
        ":conscrypt-private-api-test-files",
    ],
}

filegroup {
    name: "conscrypt-private-test-files",
    srcs: [
        ":conscrypt-private-api-test-files",
        ":conscrypt-test-support-files",
    ],
}

// Make the conscrypt-tests library.
java_test {
    name: "conscrypt-tests",
    visibility: [
        "//cts/tests/libcore/luni",
        "//external/conscrypt/apex/tests",
        "//libcore",
    ],
    hostdex: true,
    srcs: [
        ":conscrypt-xts-test-files",
    ],

    java_resource_dirs: [
        // Resource directories do not need repackaging.
        "openjdk/src/test/resources",
        "common/src/test/resources",
    ],

    sdk_version: "none",
    system_modules: "art-module-intra-core-api-stubs-system-modules",
    libs: [
        "conscrypt",
        "core-test-rules",
        "junit",
        "mockito-target-minus-junit4",
        "framework-statsd.stubs.module_lib",
    ],

    static_libs: [
        "bouncycastle-unbundled",
        "bouncycastle-bcpkix-unbundled",
        "bouncycastle-ocsp-unbundled",
    ],
    javacflags: [
        "-Xmaxwarns 9999999",
        //"-Xlint:all",
        //"-Xlint:-serial,-deprecation,-unchecked",
    ],

    target: {
        host: {
            required: ["libjavacrypto"],
        },
        darwin: {
            // required module "libjavacrypto" is disabled on darwin
            enabled: false,
        },
    },
    java_version: "1.8",
}

// Conscrypt private tests. These tests relies on private APIs. Prefer adding
// your test to conscrypt-tests if possible, as these will be executed as part
// of CTS (see CtsLibcoreTestCases).
android_test {
    name: "ConscryptPrivateTestCases",
    srcs: [
        ":conscrypt-private-test-files",
    ],

    java_resource_dirs: [
        // Resource directories do not need repackaging.
        "openjdk/src/test/resources",
        "common/src/test/resources",
    ],

    platform_apis: true,
    manifest: "AndroidManifest-private.xml",
    test_config: "AndroidTest-private.xml",
    libs: [
        "conscrypt",
        "core-test-rules",
        "junit",
        "mockito-target-minus-junit4",
        "framework-statsd.stubs.module_lib",
    ],

    static_libs: [
        "androidx.test.runner",
        "androidx.test.rules",
        "bouncycastle-unbundled",
        "bouncycastle-bcpkix-unbundled",
        "bouncycastle-ocsp-unbundled",
    ],
    java_version: "1.8",
    test_suites: ["general-tests"],
}

// Make the conscrypt-benchmarks library.
java_test {
    name: "conscrypt-benchmarks",
    srcs: [
        "repackaged/testing/src/main/java/**/*.java",
        "repackaged/benchmark-base/src/main/java/**/*.java",
        "repackaged/benchmark-android/src/main/java/**/*.java",
    ],
    sdk_version: "none",
    system_modules: "art-module-intra-core-api-stubs-system-modules",
    libs: [
        "conscrypt",
        "junit",
        "bouncycastle-unbundled",
        "bouncycastle-bcpkix-unbundled",
        "bouncycastle-ocsp-unbundled",
        "caliper-api-target",
    ],

    javacflags: [
        "-Xmaxwarns 9999999",
        //"-Xlint:all",
        //"-Xlint:-serial,-deprecation,-unchecked",
    ],

    target: {
        host: {
            required: ["libjavacrypto"],
        },
        darwin: {
            // required module "libjavacrypto" is disabled on darwin
            enabled: false,
        },
    },
    java_version: "1.8",
}

// Device SDK exposed by the Conscrypt module.
sdk {
    name: "conscrypt-module-sdk",
    apexes: [
        // Adds exportable dependencies of the APEX to the sdk,
        // e.g. *classpath_fragments.
        "com.android.conscrypt",
    ],
    java_sdk_libs: [
        "conscrypt.module.intra.core.api",
    ],
    native_shared_libs: [
        "libconscrypt_jni",
    ],
}

// Host tools exported by the Conscrypt module.
module_exports {
    name: "conscrypt-module-host-exports",
    host_supported: true,
    device_supported: false,
    java_libs: [
        "conscrypt-unbundled",
    ],
    native_shared_libs: [
        "libconscrypt_openjdk_jni",
    ],
}

// Test libraries exposed by the Conscrypt module.
module_exports {
    name: "conscrypt-module-test-exports",
    host_supported: true,
    target: {
        android: {
            java_libs: [
                // For use by robolectric and ART tests.
                "conscrypt-for-host",
            ],
            java_tests: [
                // For use by CTS
                "conscrypt-tests",
            ],
            native_shared_libs: [
                "libjavacrypto",
            ],
        },
        darwin: {
            enabled: false,
        },
        // For use by ART tests on host.
        not_windows: {
            native_shared_libs: [
                "libjavacrypto",
            ],
        },
    },
}