Camila Belo

### Context Ref: https://github.com/backstage/backstage/issues/24493 In preparation for the new backend system stable release, we will deprecate the `backend-common` package. ### Description All test utilities [here](https://github.com/backstage/backstage/blob/master/packages/backend-common/api-report-testUtils.md) should be deprecated, and the...

Extract all service helpers and types from `backend-common` to the `backend-plugin-api`

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### Context Ref: https://github.com/backstage/backstage/issues/24493 In preparation for the new backend system stable release, we will deprecate the `backend-common` package. ### Description All service **helpers** and **types** currently exported from the...

[NBS 1.0] Deprecate isomorphic git class

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## Hey, I just made a Pull Request! Closes: https://github.com/backstage/backstage/issues/24604 Deprecated isomorphic `Git` abstraction from the `backend-common` package. #### :heavy_check_mark: Checklist - [x] A changeset describing the change and affected...

[NBS 1.0] Deprecate legacy service helpers and types

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## Hey, I just made a Pull Request! Closes: https://github.com/backstage/backstage/issues/24606 All helpers and service types exported from the `backend-common` package that already have a replacement in the new system have...

### Context Ref: https://github.com/backstage/backstage/issues/24493 Backend service references are inconsistently provided in core and plugin packages. We intend to use the permissions model, where the service reference resides in the `backend-plugin-api`,...

Update the permissions plugin setup tutorial

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Follow the contribution process recommended [here](https://github.com/backstage/backstage/issues/24195) and update the following page to use the new backend system: https://backstage.io/docs/permissions/plugin-authors/01-setup

[NBS Docs] Update permissions setup tutorial docs

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## Hey, I just made a Pull Request! Update the permissions setup guide to use the new backend system. #### :heavy_check_mark: Checklist - [ ] A changeset describing the change...

Add documentation for `@backstage/test-utils#mockServices` in the official docs

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Provide documentation [here](https://backstage.io/docs/backend-system/building-plugins-and-modules/testing) or elsewhere on how to use each service and factory in the [mockServices](https://github.com/backstage/backstage/blob/40b9ef23b9bc99ddc06148ae59d26697c02e2a5f/packages/backend-test-utils/src/next/services/mockServices.ts#L133) object.