Extension Points defined in Block Queued Job Plugin

BlockQueueCondition

jenkinsdoc:block-queued-job:org.jenkinsci.plugins.blockqueuedjob.condition.BlockQueueCondition]

Abstract class for block/unblock conditions

Implementations:

Block Queued Job Plugin: org.jenkinsci.plugins.blockqueuedjob.condition.BuildingBlockQueueCondition (view on GitHub)
Block Queued Job Plugin: org.jenkinsci.plugins.blockqueuedjob.condition.JobResultBlockQueueCondition (view on GitHub)
GitHub Integration Plugin: org.jenkinsci.plugins.github.pullrequest.extra.GitHubPRLabelUnblockQueueCondition (view on GitHub)