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jogoldjogold
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fix(amplify): custom headers break with tokens (#20395)
`YAML.stringify` generates YAML with a fixed line length, splitting long strings. This can split the token string value on multiple lines making it unresolvable: `${Token[AWS.URLSuf\\\n fix.2]}` This can be the case with `Content-Security-Policy` headers with lots of directives and referencing API endpoints in the `connect-src` for example. Get rid of `YAML.stringify` and generate this "simple" YAML string "manually". ---- ### All Submissions: * [x] Have you followed the guidelines in our [Contributing guide?](https://github.com/aws/aws-cdk/blob/master/CONTRIBUTING.md) ### Adding new Unconventional Dependencies: * [ ] This PR adds new unconventional dependencies following the process described [here](https://github.com/aws/aws-cdk/blob/master/CONTRIBUTING.md/#adding-new-unconventional-dependencies) ### New Features * [x] Have you added the new feature to an [integration test](https://github.com/aws/aws-cdk/blob/master/INTEGRATION_TESTS.md)? * [x] Did you use `yarn integ` to deploy the infrastructure and generate the snapshot (i.e. `yarn integ` without `--dry-run`)? *By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license*
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‎package.json

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"@aws-cdk/assertions-alpha/fs-extra/**",
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"@aws-cdk/assertions/fs-extra",
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"@aws-cdk/assertions/fs-extra/**",
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"@aws-cdk/aws-amplify-alpha/yaml",
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"@aws-cdk/aws-amplify-alpha/yaml/**",
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"@aws-cdk/aws-iot-actions-alpha/case",
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"@aws-cdk/aws-iot-actions-alpha/case/**",
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"@aws-cdk/aws-amplify/yaml",
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"@aws-cdk/aws-amplify/yaml/**",
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"@aws-cdk/aws-codebuild/yaml",
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"@aws-cdk/aws-codebuild/yaml/**",
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"@aws-cdk/aws-codepipeline-actions/case",

‎packages/@aws-cdk/aws-amplify/NOTICE

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AWS Cloud Development Kit (AWS CDK)
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Copyright 2018-2022 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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-------------------------------------------------------------------------------
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The AWS CDK includes the following third-party software/licensing:
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** yaml - https://www.npmjs.com/package/yaml
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Copyright 2018 Eemeli Aro <[email protected]>
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Permission to use, copy, modify, and/or distribute this software for any purpose
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with or without fee is hereby granted, provided that the above copyright notice
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and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
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REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
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INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
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OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF
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THIS SOFTWARE.
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----------------

‎packages/@aws-cdk/aws-amplify/lib/app.ts

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@@ -2,7 +2,6 @@ import * as codebuild from '@aws-cdk/aws-codebuild';
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import * as iam from '@aws-cdk/aws-iam';
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import { IResource, Lazy, Resource, SecretValue } from '@aws-cdk/core';
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import { Construct } from 'constructs';
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import * as YAML from 'yaml';
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import { CfnApp } from './amplify.generated';
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import { BasicAuth } from './basic-auth';
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import { Branch, BranchOptions } from './branch';
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}
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function renderCustomResponseHeaders(customHeaders: CustomResponseHeader[]): string {
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const modifiedHeaders = customHeaders.map(customHeader => ({
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...customHeader,
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headers: Object.entries(customHeader.headers).map(([key, value]) => ({ key, value })),
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}));
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const yaml = [
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'customHeaders:',
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];
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for (const customHeader of customHeaders) {
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yaml.push(` - pattern: "${customHeader.pattern}"`);
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yaml.push(' headers:');
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for (const [key, value] of Object.entries(customHeader.headers)) {
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yaml.push(` - key: "${key}"`);
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yaml.push(` value: "${value}"`);
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}
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}
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const customHeadersObject = { customHeaders: modifiedHeaders };
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return YAML.stringify(customHeadersObject);
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return `${yaml.join('\n')}\n`;
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}

‎packages/@aws-cdk/aws-amplify/package.json

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"@aws-cdk/cfn2ts": "0.0.0",
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"@aws-cdk/pkglint": "0.0.0",
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"@types/jest": "^27.5.0",
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"@types/yaml": "1.9.6",
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"aws-sdk": "^2.848.0"
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},
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"dependencies": {
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"@aws-cdk/aws-secretsmanager": "0.0.0",
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"@aws-cdk/core": "0.0.0",
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"@aws-cdk/custom-resources": "0.0.0",
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"constructs": "^3.3.69",
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"yaml": "1.10.2"
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"constructs": "^3.3.69"
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},
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"bundledDependencies": [
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"yaml"
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],
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"peerDependencies": {
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"@aws-cdk/aws-codebuild": "0.0.0",
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"@aws-cdk/aws-codecommit": "0.0.0",

‎packages/@aws-cdk/aws-amplify/test/app.integ.snapshot/cdk-amplify-app.template.json

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},
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"Username": "aws"
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},
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"CustomHeaders": "customHeaders:\n - pattern: \"*.json\"\n headers:\n - key: custom-header-name-1\n value: custom-header-value-1\n - key: custom-header-name-2\n value: custom-header-value-2\n - pattern: /path/*\n headers:\n - key: custom-header-name-1\n value: custom-header-value-2\n",
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"CustomHeaders": {
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"Fn::Join": [
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"",
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[
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"customHeaders:\n - pattern: \"*.json\"\n headers:\n - key: \"custom-header-name-1\"\n value: \"custom-header-value-1\"\n - key: \"custom-header-name-2\"\n value: \"custom-header-value-2\"\n - pattern: \"/path/*\"\n headers:\n - key: \"custom-header-name-1\"\n value: \"custom-header-value-2\"\n - key: \"x-aws-url-suffix\"\n value: \"this-is-the-suffix-",
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{
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"Ref": "AWS::URLSuffix"
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},
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"\"\n"
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]
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]
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},
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"CustomRules": [
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{
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"Source": "/source",

‎packages/@aws-cdk/aws-amplify/test/app.integ.snapshot/cdk.out

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{"version":"17.0.0"}
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{"version":"19.0.0"}

‎packages/@aws-cdk/aws-amplify/test/app.integ.snapshot/integ.json

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{
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"version": "18.0.0",
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"version": "19.0.0",
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"testCases": {
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"aws-amplify/test/integ.app": {
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"integ.app": {
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"stacks": [
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"cdk-amplify-app"
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],

‎packages/@aws-cdk/aws-amplify/test/app.integ.snapshot/manifest.json

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{
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"version": "17.0.0",
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"version": "19.0.0",
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"artifacts": {
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"Tree": {
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"type": "cdk:tree",

‎packages/@aws-cdk/aws-amplify/test/app.integ.snapshot/tree.json

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]
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}
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},
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"customHeaders": "customHeaders:\n - pattern: \"*.json\"\n headers:\n - key: custom-header-name-1\n value: custom-header-value-1\n - key: custom-header-name-2\n value: custom-header-value-2\n - pattern: /path/*\n headers:\n - key: custom-header-name-1\n value: custom-header-value-2\n",
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"customHeaders": {
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"Fn::Join": [
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"",
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[
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"customHeaders:\n - pattern: \"*.json\"\n headers:\n - key: \"custom-header-name-1\"\n value: \"custom-header-value-1\"\n - key: \"custom-header-name-2\"\n value: \"custom-header-value-2\"\n - pattern: \"/path/*\"\n headers:\n - key: \"custom-header-name-1\"\n value: \"custom-header-value-2\"\n - key: \"x-aws-url-suffix\"\n value: \"this-is-the-suffix-",
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{
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"Ref": "AWS::URLSuffix"
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},
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"\"\n"
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]
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]
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},
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"customRules": [
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{
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"source": "/source",

‎packages/@aws-cdk/aws-amplify/test/app.test.ts

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'custom-header-name-1': 'custom-header-value-2',
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},
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},
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{
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pattern: '/with-tokens/*',
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headers: {
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'x-custom': `${'hello'.repeat(10)}${Stack.of(stack).urlSuffix} `,
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},
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},
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],
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});
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// THEN
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Template.fromStack(stack).hasResourceProperties('AWS::Amplify::App', {
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CustomHeaders: 'customHeaders:\n - pattern: "*.json"\n headers:\n - key: custom-header-name-1\n value: custom-header-value-1\n - key: custom-header-name-2\n value: custom-header-value-2\n - pattern: /path/*\n headers:\n - key: custom-header-name-1\n value: custom-header-value-2\n',
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CustomHeaders: {
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'Fn::Join': [
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'',
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[
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'customHeaders:\n - pattern: "*.json"\n headers:\n - key: "custom-header-name-1"\n value: "custom-header-value-1"\n - key: "custom-header-name-2"\n value: "custom-header-value-2"\n - pattern: "/path/*"\n headers:\n - key: "custom-header-name-1"\n value: "custom-header-value-2"\n - pattern: "/with-tokens/*"\n headers:\n - key: "x-custom"\n value: "hellohellohellohellohellohellohellohellohellohello',
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{
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Ref: 'AWS::URLSuffix',
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},
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' "\n',
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],
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],
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},
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});
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});

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