src/main/resources/Documentation/config.md

	@PLUGIN@ Configuration
=========================

Overview of all available configuration options:
```
[pubsub]
  projectId = my-gcp-project
  privateKeyLocation = /path/to/private/key/my-gcp-project-6f0d80a3f655.json
[pubsub "topics"]
  main = default
  streamEvents = stream-events
[pubsub "limits"]
  subscriptionTimeout = 10s
  shutdownTimeout = 10s
  publisherThreadPoolSize = 4
  subscriberThreadPoolSize = 4
[pubsub "retention"]
  ackDeadline = 10s
  messageRetentionDuration = 7d
  retainAckedMessages = false
[pubsub "retry"]
  maxDeliveryAttempts = 5
  minimumBackoff = 10s
  maximumBackoff = 10m
```

```pubsub.projectId```
:   The name of the GCP project containing the PubSub topic to be used.

```pubsub.privateKeyLocation```
:   The location of the file containing the service account key of the service
    account that Gerrit can use to create subscriptions for the topics configured in
    pubsub.topics and to subscribe to it.

```pubsub.topics.main```
:   The name of the main PubSub topic used for publishing events.
    Default: `default`

```pubsub.topics.streamEvents```
:   The name of the PubSub topic used for publishing stream events.
    Default: `stream-events`

```pubsub.limits.subscriptionTimeout```
:   The timeout duration for subscription operations.
    Default: `10s`

```pubsub.limits.shutdownTimeout```
:   The timeout duration for graceful shutdown of the plugin.
    Default: `10s`

```pubsub.limits.publisherThreadPoolSize```
:   The number of threads used by the publisher thread pool for publishing messages.
    Default: `4`

```pubsub.limits.subscriberThreadPoolSize```
:   The number of threads used by the subscriber thread pool for consuming messages.
    Default: `4`

```pubsub.retention.ackDeadline```
:   The amount of time the Pub/Sub service will wait for an acknowledgement before
    redelivering the message.
    Default: `10s`

```pubsub.retention.messageRetentionDuration```
:   The length of time that messages in the topic should be retained.
    Default: `7d`

```pubsub.retention.retainAckedMessages```
:   Whether to retain messages that have already been acknowledged.
    Default: `false`

```pubsub.retry.maxDeliveryAttempts```
:   The maximum number of delivery attempts for a message before it is sent to
    the dead letter topic.
    Default: `5`

```pubsub.retry.minimumBackoff```
:   The minimum backoff duration for retrying failed message deliveries.
    Default: `10s`

```pubsub.retry.maximumBackoff```
:   The maximum backoff duration for retrying failed message deliveries.
    Default: `10m`