* changes without context

        autosynth cannot find the source of changes triggered by earlier changes in this
        repository, or by version upgrades to tools such as linters.

* build: migrate to flakybot

Source-Author: Justin Beckwith <justin.beckwith@gmail.com>
Source-Date: Thu Jan 28 22:22:38 2021 -0800
Source-Repo: googleapis/synthtool
Source-Sha: d1bb9173100f62c0cfc8f3138b62241e7f47ca6a
Source-Link: googleapis/synthtool@d1bb917

* build(java): generate docfx yml on release

* feat: generate docfx yml on release

* fix: updates name variable

* fix: remove non needed resource

* fix: update date

Source-Author: Emily Ball <emilyball@google.com>
Source-Date: Mon Feb 1 15:24:59 2021 -0800
Source-Repo: googleapis/synthtool
Source-Sha: 5de29e9434b63ea6d7e46dc348521c62969af1a1
Source-Link: googleapis/synthtool@5de29e9

* build(java): run linkage monitor as GitHub action

Source-Author: Tomo Suzuki <suztomo@google.com>
Source-Date: Tue Feb 2 16:20:26 2021 -0500
Source-Repo: googleapis/synthtool
Source-Sha: e935c9ecb47da0f2e054f5f1845f7cf7c95fa625
Source-Link: googleapis/synthtool@e935c9e

This PR was generated using Autosynth. 🌈


<details><summary>Log from Synthtool</summary>

```
2021-02-03 17:25:19,298 synthtool [DEBUG] > Executing /root/.cache/synthtool/java-firestore/.github/readme/synth.py.
On branch autosynth-readme
nothing to commit, working tree clean
2021-02-03 17:25:20,216 synthtool [DEBUG] > Wrote metadata to .github/readme/synth.metadata/synth.metadata.

```
</details>

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Source-Link: googleapis/synthtool@140ba24

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Source-Link: googleapis/synthtool@692715c
Source-Link: googleapis/synthtool@27b2d4f

This is my attempt to simplify some of the callback logic in BulkWriter, and will hopefully allow us add Backoff handling for retries pretty easily.

The overall changes are:

- There are no more batch queues. Instead, there is only ever a single batch. If this batch reaches capacity, it is send.
- To allow 'flush' to block, I am instead keeping a list of pending operations.

One behavior change is that it is now possible that a retry will get scheduled after other operations in a flush. Let's say we have the calls:

- Op1
- Op2
- Flush
- Op3

And Op1 fails. The write order could now be: Op1, Op2, Op3, Op1. This breaks a single unit test, but I think it is sane behavior as it allows us to make progress while we wait for more reponses.

Port of googleapis/nodejs-firestore#1379

…4.0 (#531)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [com.google.cloud:libraries-bom](https://togithub.com/GoogleCloudPlatform/cloud-opensource-java) | `16.3.0` -> `16.4.0` | [![age](https://badges.renovateapi.com/packages/maven/com.google.cloud:libraries-bom/16.4.0/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/com.google.cloud:libraries-bom/16.4.0/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/com.google.cloud:libraries-bom/16.4.0/compatibility-slim/16.3.0)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/com.google.cloud:libraries-bom/16.4.0/confidence-slim/16.3.0)](https://docs.renovatebot.com/merge-confidence/) |

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<details><summary>Log from Synthtool</summary>

```
2021-02-10 16:08:36,636 synthtool [DEBUG] > Executing /root/.cache/synthtool/java-firestore/.github/readme/synth.py.
On branch autosynth-readme
nothing to commit, working tree clean
2021-02-10 16:08:37,519 synthtool [DEBUG] > Wrote metadata to .github/readme/synth.metadata/synth.metadata.

```
</details>

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https://source.cloud.google.com/results/invocations/674cd3f1-af57-4669-8b76-5e85a2d4e106/targets

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This PR was generated using Autosynth. 🌈

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Source-Link: googleapis/synthtool@2414b81

…e to v2.2.1 (#520)

This PR was generated using Autosynth. 🌈


<details><summary>Log from Synthtool</summary>

```
2021-02-11 13:50:33,090 synthtool [DEBUG] > Executing /root/.cache/synthtool/java-firestore/.github/readme/synth.py.
On branch autosynth-readme
nothing to commit, working tree clean
2021-02-11 13:50:34,678 synthtool [DEBUG] > Wrote metadata to .github/readme/synth.metadata/synth.metadata.

```
</details>

Full log will be available here:
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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [junit:junit](http://junit.org) ([source](https://togithub.com/junit-team/junit4)) | `4.13.1` -> `4.13.2` | [![age](https://badges.renovateapi.com/packages/maven/junit:junit/4.13.2/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/junit:junit/4.13.2/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/junit:junit/4.13.2/compatibility-slim/4.13.1)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/junit:junit/4.13.2/confidence-slim/4.13.1)](https://docs.renovatebot.com/merge-confidence/) |

---

### Renovate configuration

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:vertical_traffic_light: **Automerge**: Disabled by config. Please merge this manually once you are satisfied.

:recycle: **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

:no_bell: **Ignore**: Close this PR and you won't be reminded about this update again.

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🤖 I have created a release \*beep\* \*boop\* 
---
### Updating meta-information for bleeding-edge SNAPSHOT release.
---


This PR was generated with [Release Please](https://github.com/googleapis/release-please). See [documentation](https://github.com/googleapis/release-please#release-please).

🤖 I have created a release \*beep\* \*boop\* 
---
### [2.2.2](https://www.github.com/googleapis/java-firestore/compare/v2.2.1...v2.2.2) (2021-02-19)


### Bug Fixes

* block close() on the termination of all RPC channels ([#512](https://www.github.com/googleapis/java-firestore/issues/512)) ([67bd06a](https://www.github.com/googleapis/java-firestore/commit/67bd06aac7a53a210e1a5c081929104c43a5d48a))
* **samples:** close firestore instance in test ([#476](https://www.github.com/googleapis/java-firestore/issues/476)) ([fb1cb17](https://www.github.com/googleapis/java-firestore/commit/fb1cb175c06e2782f7cd9cb3bbb9c751e9d33713))
---


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