| AccountValidator | 
 Validator that is used to ensure that new commits on any ref in refs/users are conforming
 to the NoteDb format for accounts. 
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| CommentCountValidator | 
 Limits number of comments to prevent space/time complexity issues. 
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| CommentCumulativeSizeValidator | 
 Limits the total size of all comments and change messages to prevent space/time complexity
 issues. 
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| CommentSizeValidator | 
 Limits the size of comments to prevent space/time complexity issues. 
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| CommitValidationMessage | 
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| CommitValidators | 
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| CommitValidators.AccountCommitValidator | 
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| CommitValidators.AmendedGerritMergeCommitValidationListener | 
 Don't allow the user to amend a merge created by Gerrit Code Review. 
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| CommitValidators.AuthorUploaderValidator | 
 Require that author matches the uploader. 
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| CommitValidators.BannedCommitsValidator | 
 Reject banned commits. 
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| CommitValidators.ChangeIdValidator | 
  | 
| CommitValidators.CommitterUploaderValidator | 
 Require that committer matches the uploader. 
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| CommitValidators.ConfigValidator | 
 If this is the special project configuration branch, validate the config. 
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| CommitValidators.ExternalIdUpdateListener | 
 Validates updates to refs/meta/external-ids. 
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| CommitValidators.Factory | 
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| CommitValidators.GroupCommitValidator | 
 Rejects updates to group branches. 
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| CommitValidators.PluginCommitValidationListener | 
 Execute commit validation plug-ins 
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| CommitValidators.ProjectStateValidationListener | 
 Rejects updates to projects that don't allow writes. 
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| CommitValidators.SignedOffByValidator | 
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| CommitValidators.UploadMergesPermissionValidator | 
 Require permission to upload merge commits. 
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| MergeValidators | 
 Collection of validators that run inside Gerrit before a change is submitted. 
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| MergeValidators.AccountMergeValidator | 
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| MergeValidators.GroupMergeValidator | 
 Validator to ensure that group refs are not mutated. 
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| MergeValidators.PluginMergeValidationListener | 
 Validator that calls to plugins that provide additional validators. 
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| MergeValidators.ProjectConfigValidator | 
 Validator for any commits to refs/meta/config. 
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| OnSubmitValidationListener.Arguments | 
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| OnSubmitValidators | 
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| RefOperationValidators | 
 Collection of validation listeners that are called before a ref update is performed with the
 command to be run. 
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| UploadValidators | 
 Collection of validators to run before Gerrit sends pack data to a client. 
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| ValidationMessage | 
 Message used as result of a validation that run during a git operation (for example git
 push. 
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