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Examples
- updated definitions generation, exporting types from .ts and without namespace, accessed via 'Specification' instead of 'ServerlessWorkflow', adapted rest of the code base - added browser & node examples - added 'Create Workflow using object literals' in README Signed-off-by: JBBianchi <[email protected]>
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‎README.md‎

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Provides the Typescript API/SPI for the [Serverless Workflow Specification](https://github.com/serverlessworkflow/specification)
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With the SDK you can:
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* Parse workflow JSON and YAML definitions
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* Programmatically build workflow definitions
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* Validate workflow definitions
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## Getting Started
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## Getting Started
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### Building locally
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#### Create Workflow using builder API
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```typescript
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const workflow = workflowBuilder()
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const workflow: ServerlessWorkflow.Workflow = workflowBuilder()
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.id("helloworld")
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.version("1.0")
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.name("Hello World Workflow")
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.build();
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```
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#### Create Workflow using object literals
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```typescript
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const workflow: ServerlessWorkflow.Workflow = {
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id: 'helloworld',
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version: '1.0',
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name: 'Hello World Workflow',
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description: 'Inject Hello World',
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start: 'Hello State',
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states: [
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{
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type: 'inject',
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name: 'Hello State',
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end: true,
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data: {
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result: "Hello World!"
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}
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} as ServerlessWorkflow.Injectstate
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]
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};
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```
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#### Load a file JSON/YAML to a Workflow instance
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```typescript
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Where `source` is a JSON or a YAML string.
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#### Parse a Workflow instance to JSON/YAML
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Having the following workflow instance:
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const workflowAsYaml = WorkflowConverter.toYaml(workflow);
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```
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#### Validate workflow definitions
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The sdk provides a way to validate if a workflow object is compliant with the serverlessworkflow specification.

‎examples/browser/index.html‎

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<!doctype html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<title>Serveless Workflow JS SDK</title>
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<base href="/">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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</head>
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<body>
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<!--
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Run http-server from the project root then navigate to http://localhost:8080/examples/browser/index.html
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-->
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<div id="output"></div>
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<script src="../../dist/umd/index.umd.js"></script>
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<script type="text/javascript">
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(() => {
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const { workflowBuilder, injectstateBuilder } = serverWorkflowSdk;
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const outputDiv = document.getElementById('output');
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const workflow = workflowBuilder()
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.id("helloworld")
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.version("1.0")
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.name("Hello World Workflow")
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.description("Inject Hello World")
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.start("Hello State")
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.states([
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injectstateBuilder()
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.name("Hello State")
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.data({
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"result": "Hello World!"
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})
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.end(true)
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.build()
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])
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.build();
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outputDiv.innerHTML = workflow.id;
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})();
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</script>
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</body>
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</html>

‎examples/node/index.js‎

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const { workflowBuilder, injectstateBuilder } = require('../../dist');
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const workflow = workflowBuilder()
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.id("helloworld")
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.version("1.0")
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.name("Hello World Workflow")
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.description("Inject Hello World")
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.start("Hello State")
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.states([
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injectstateBuilder()
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.name("Hello State")
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.data({
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"result": "Hello World!"
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})
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.end(true)
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.build()
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])
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.build();
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console.log(workflow.id);

‎examples/node/index.ts‎

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import { workflowBuilder, injectstateBuilder, Specification } from '../../dist';
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const workflow: Specification.Workflow = workflowBuilder()
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.id("helloworld")
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.version("1.0")
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.name("Hello World Workflow")
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.description("Inject Hello World")
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.start("Hello State")
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.states([
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injectstateBuilder()
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.name("Hello State")
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.data({
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"result": "Hello World!"
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})
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.end(true)
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.build()
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])
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.build();
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console.log(workflow.id);

‎examples/node/tsconfig.json‎

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{
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"extends": "../../tsconfig.base.json"
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}

‎package.json‎

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"test": "npx tsc --project ./tests/tsconfig.json && npx jasmine --config=./tests/support/jasmine.json",
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"prebuild": "npx rimraf dist",
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"build": "npx rollup -c rollup.config.ts",
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"postbuild":"npx shx cp ./package.json ./README.md ./LICENSE ./dist/",
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"postbuild": "npx shx cp ./package.json ./README.md ./LICENSE ./dist/",
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"verify-publish-directory": "node -e 'if (!process.cwd().endsWith(\"dist\")) { console.error(\"Packaging/Publishing should be done from ./dist/\"); process.exitCode = 1; } process.exit();'",
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"prepack": "npm run verify-publish-directory",
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"prepublish": "npm run verify-publish-directory"

‎rollup.config.ts‎

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],
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plugins: [
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json(),
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typescript({ useTsconfigDeclarationDir: true }),
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typescript({
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useTsconfigDeclarationDir: true,
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exclude: []
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}),
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commonjs(),
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resolve(),
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sourceMaps(),

‎src/lib/builders/action-builder.ts‎

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import { DefinedError } from 'ajv';
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import { Builder, builder } from '../builder';
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import { Specification } from '../definitions';
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import { validators } from '../validators';
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import Action = ServerlessWorkflow.Action;
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export function actionValidator(data: Action): (() => Action) {
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export function actionValidator(data: Specification.Action): (() => Specification.Action) {
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return () => {
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const validate = validators.get('Action');
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};
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}
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export function actionBuilder(): Builder<Action> {
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return builder<Action>(actionValidator);
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export function actionBuilder(): Builder<Specification.Action> {
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return builder<Specification.Action>(actionValidator);
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}

‎src/lib/builders/actiondatafilter-builder.ts‎

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import { DefinedError } from 'ajv';
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import { Builder, builder } from '../builder';
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import { Specification } from '../definitions';
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import { validators } from '../validators';
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import Actiondatafilter = ServerlessWorkflow.Actiondatafilter;
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export function actiondatafilterValidator(data: Actiondatafilter): (() => Actiondatafilter) {
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export function actiondatafilterValidator(data: Specification.Actiondatafilter): (() => Specification.Actiondatafilter) {
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return () => {
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const validate = validators.get('Actiondatafilter');
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};
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}
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export function actiondatafilterBuilder(): Builder<Actiondatafilter> {
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return builder<Actiondatafilter>(actiondatafilterValidator);
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export function actiondatafilterBuilder(): Builder<Specification.Actiondatafilter> {
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return builder<Specification.Actiondatafilter>(actiondatafilterValidator);
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}

‎src/lib/builders/branch-builder.ts‎

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import { DefinedError } from 'ajv';
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import { Builder, builder } from '../builder';
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import { Specification } from '../definitions';
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import { validators } from '../validators';
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import Branch = ServerlessWorkflow.Branch;
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export function branchValidator(data: Branch): (() => Branch) {
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export function branchValidator(data: Specification.Branch): (() => Specification.Branch) {
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return () => {
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const validate = validators.get('Branch');
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};
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}
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export function branchBuilder(): Builder<Branch> {
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return builder<Branch>(branchValidator);
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export function branchBuilder(): Builder<Specification.Branch> {
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return builder<Specification.Branch>(branchValidator);
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}

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