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constructs

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A programming model for software-defined state

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# Constructs > Software-defined persistent state [![Release](https://github.com/aws/constructs/actions/workflows/release.yml/badge.svg)](https://github.com/aws/constructs/actions/workflows/release.yml) [![npm version](https://badge.fury.io/js/constructs.svg)](https://badge.fury.io/js/constructs) [![PyPI version](https://badge.fury.io/py/constructs.svg)](https://badge.fury.io/py/constructs) [![NuGet version](https://badge.fury.io/nu/Constructs.svg)](https://badge.fury.io/nu/Constructs) [![Maven Central](https://maven-badges.herokuapp.com/maven-central/software.constructs/constructs/badge.svg?style=plastic)](https://maven-badges.herokuapp.com/maven-central/software.constructs/constructs) ## What are constructs? Constructs are classes which define a "piece of system state". Constructs can be composed together to form higher-level building blocks which represent more complex state. Constructs are often used to represent the _desired state_ of cloud applications. For example, in the AWS CDK, which is used to define the desired state for AWS infrastructure using CloudFormation, the lowest-level construct represents a _resource definition_ in a CloudFormation template. These resources are composed to represent higher-level logical units of a cloud application, etc. ## Support policy All [maintained Node.js versions](https://nodejs.org/en/about/previous-releases#release-schedule) are supported by this package. ## Contributing This project has adopted the [Amazon Open Source Code of Conduct](https://aws.github.io/code-of-conduct). We welcome community contributions and pull requests. See our [contribution guide](./CONTRIBUTING.md) for more information on how to report issues, set up a development environment and submit code. ## License This project is distributed under the [Apache License, Version 2.0](./LICENSE).