diff --git a/graphql/schema.graphql b/graphql/schema.graphql
index 10c05b1e32..402867c108 100644
--- a/graphql/schema.graphql
+++ b/graphql/schema.graphql
@@ -577,6 +577,9 @@ type BranchProtectionRule implements Node {
   """Are approving reviews required to update matching branches."""
   requiresApprovingReviews: Boolean!
 
+  """Are reviews from code owners required to update matching branches."""
+  requiresCodeOwnerReviews: Boolean!
+
   """Are commits required to be signed."""
   requiresCommitSignatures: Boolean!
 
@@ -1209,6 +1212,36 @@ type CloneProjectPayload {
   project: Project
 }
 
+"""Autogenerated input type of CloneTemplateRepository"""
+input CloneTemplateRepositoryInput {
+  """The Node ID of the template repository."""
+  repositoryId: ID!
+
+  """The name of the new repository."""
+  name: String!
+
+  """The ID of the owner for the new repository."""
+  ownerId: ID!
+
+  """A short description of the new repository."""
+  description: String
+
+  """Indicates the repository's visibility level."""
+  visibility: RepositoryVisibility!
+
+  """A unique identifier for the client performing the mutation."""
+  clientMutationId: String
+}
+
+"""Autogenerated return type of CloneTemplateRepository"""
+type CloneTemplateRepositoryPayload {
+  """A unique identifier for the client performing the mutation."""
+  clientMutationId: String
+
+  """The new repository."""
+  repository: Repository
+}
+
 """An object that can be closed"""
 interface Closable {
   """
@@ -2105,8 +2138,15 @@ type ContributionCalendarWeek {
 
 """Ordering options for contribution connections."""
 input ContributionOrder {
-  """The field by which to order contributions."""
-  field: ContributionOrderField!
+  """
+  The field by which to order contributions.
+  
+  **Upcoming Change on 2019-10-01 UTC**
+  **Description:** `field` will be removed. Only one order field is supported.
+  **Reason:** `field` will be removed.
+  
+  """
+  field: ContributionOrderField
 
   """The ordering direction."""
   direction: OrderDirection!
@@ -2157,17 +2197,7 @@ type ContributionsCollection {
   the issue is not visible but the user has opted to show private contributions,
   a RestrictedContribution will be returned.
   """
-  firstIssueContribution(
-    """
-    If true, the first issue will be returned even if it was opened outside of the collection's time range.
-    
-    **Upcoming Change on 2019-07-01 UTC**
-    **Description:** `ignoreTimeRange` will be removed. Use a `ContributionsCollection` starting sufficiently far back
-    **Reason:** ignore_time_range will be removed
-    
-    """
-    ignoreTimeRange: Boolean = false
-  ): CreatedIssueOrRestrictedContribution
+  firstIssueContribution: CreatedIssueOrRestrictedContribution
 
   """
   The first pull request the user opened on GitHub. This will be null if that
@@ -2175,17 +2205,7 @@ type ContributionsCollection {
   ignoreTimeRange is not true. If the pull request is not visible but the user
   has opted to show private contributions, a RestrictedContribution will be returned.
   """
-  firstPullRequestContribution(
-    """
-    If true, the first pull request will be returned even if it was opened outside of the collection's time range.
-    
-    **Upcoming Change on 2019-07-01 UTC**
-    **Description:** `ignoreTimeRange` will be removed. Use a `ContributionsCollection` starting sufficiently far back
-    **Reason:** ignore_time_range will be removed
-    
-    """
-    ignoreTimeRange: Boolean = false
-  ): CreatedPullRequestOrRestrictedContribution
+  firstPullRequestContribution: CreatedPullRequestOrRestrictedContribution
 
   """
   The first repository the user created on GitHub. This will be null if that
@@ -2193,17 +2213,7 @@ type ContributionsCollection {
   ignoreTimeRange is false. If the repository is not visible, then a
   RestrictedContribution is returned.
   """
-  firstRepositoryContribution(
-    """
-    If true, the first repository will be returned even if it was opened outside of the collection's time range.
-    
-    **Upcoming Change on 2019-07-01 UTC**
-    **Description:** `ignoreTimeRange` will be removed. Use a `ContributionsCollection` starting sufficiently far back
-    **Reason:** ignore_time_range will be removed
-    
-    """
-    ignoreTimeRange: Boolean = false
-  ): CreatedRepositoryOrRestrictedContribution
+  firstRepositoryContribution: CreatedRepositoryOrRestrictedContribution
 
   """
   Does the user have any more activity in the timeline that occurred prior to the collection's time range?
@@ -2265,17 +2275,7 @@ type ContributionsCollection {
   When the user signed up for GitHub. This will be null if that sign up date
   falls outside the collection's time range and ignoreTimeRange is false.
   """
-  joinedGitHubContribution(
-    """
-    If true, the contribution will be returned even if the user signed up outside of the collection's time range.
-    
-    **Upcoming Change on 2019-07-01 UTC**
-    **Description:** `ignoreTimeRange` will be removed. Use a `ContributionsCollection` starting sufficiently far back
-    **Reason:** ignore_time_range will be removed
-    
-    """
-    ignoreTimeRange: Boolean = false
-  ): JoinedGitHubContribution
+  joinedGitHubContribution: JoinedGitHubContribution
 
   """
   The date of the most recent restricted contribution the user made in this time
@@ -3077,6 +3077,80 @@ type CreatePullRequestPayload {
   pullRequest: PullRequest
 }
 
+"""Autogenerated input type of CreateRef"""
+input CreateRefInput {
+  """The Node ID of the Repository to create the Ref in."""
+  repositoryId: ID!
+
+  """
+  The fully qualified name of the new Ref (ie: `refs/heads/my_new_branch`).
+  """
+  name: String!
+
+  """The GitObjectID that the new Ref shall target. Must point to a commit."""
+  oid: GitObjectID!
+
+  """A unique identifier for the client performing the mutation."""
+  clientMutationId: String
+}
+
+"""Autogenerated return type of CreateRef"""
+type CreateRefPayload {
+  """A unique identifier for the client performing the mutation."""
+  clientMutationId: String
+
+  """The newly created ref."""
+  ref: Ref
+}
+
+"""Autogenerated input type of CreateRepository"""
+input CreateRepositoryInput {
+  """The name of the new repository."""
+  name: String!
+
+  """The ID of the owner for the new repository."""
+  ownerId: ID
+
+  """A short description of the new repository."""
+  description: String
+
+  """Indicates the repository's visibility level."""
+  visibility: RepositoryVisibility!
+
+  """
+  Whether this repository should be marked as a template such that anyone who
+  can access it can create new repositories with the same files and directory structure.
+  """
+  template: Boolean = false
+
+  """The URL for a web page about this repository."""
+  homepageUrl: URI
+
+  """Indicates if the repository should have the wiki feature enabled."""
+  hasWikiEnabled: Boolean = false
+
+  """Indicates if the repository should have the issues feature enabled."""
+  hasIssuesEnabled: Boolean = true
+
+  """
+  When an organization is specified as the owner, this ID identifies the team
+  that should be granted access to the new repository.
+  """
+  teamId: ID
+
+  """A unique identifier for the client performing the mutation."""
+  clientMutationId: String
+}
+
+"""Autogenerated return type of CreateRepository"""
+type CreateRepositoryPayload {
+  """A unique identifier for the client performing the mutation."""
+  clientMutationId: String
+
+  """The new repository."""
+  repository: Repository
+}
+
 """Represents a mention made by one issue or pull request to another."""
 type CrossReferencedEvent implements Node & UniformResourceLocatable {
   """Identifies the actor who performed the event."""
@@ -3303,6 +3377,21 @@ type DeletePullRequestReviewPayload {
   pullRequestReview: PullRequestReview
 }
 
+"""Autogenerated input type of DeleteRef"""
+input DeleteRefInput {
+  """The Node ID of the Ref to be deleted."""
+  refId: ID!
+
+  """A unique identifier for the client performing the mutation."""
+  clientMutationId: String
+}
+
+"""Autogenerated return type of DeleteRef"""
+type DeleteRefPayload {
+  """A unique identifier for the client performing the mutation."""
+  clientMutationId: String
+}
+
 """Represents a 'demilestoned' event on a given issue or pull request."""
 type DemilestonedEvent implements Node {
   """Identifies the actor who performed the event."""
@@ -3765,7 +3854,30 @@ type Gist implements Node & Starrable {
   files(
     """The maximum number of files to return."""
     limit: Int = 10
+
+    """The oid of the files to return"""
+    oid: GitObjectID
   ): [GistFile]
+
+  """A list of forks associated with the gist"""
+  forks(
+    """Returns the elements in the list that come after the specified cursor."""
+    after: String
+
+    """
+    Returns the elements in the list that come before the specified cursor.
+    """
+    before: String
+
+    """Returns the first _n_ elements from the list."""
+    first: Int
+
+    """Returns the last _n_ elements from the list."""
+    last: Int
+
+    """Ordering options for gists returned from the connection"""
+    orderBy: GistOrder
+  ): GistConnection!
   id: ID!
 
   """Identifies if the gist is a fork."""
@@ -4450,7 +4562,7 @@ type Issue implements Node & Assignable & Closable & Comment & Updatable & Updat
     last: Int
 
     """A list of archived states to filter the cards by"""
-    archivedStates: [ProjectCardArchivedState]
+    archivedStates: [ProjectCardArchivedState] = [ARCHIVED, NOT_ARCHIVED]
   ): ProjectCardConnection!
 
   """Identifies when the comment was published at."""
@@ -5807,6 +5919,9 @@ type Milestone implements Node & Closable & UniformResourceLocatable {
   dueOn: DateTime
   id: ID!
 
+  """Just for debugging on review-lab"""
+  issuePrioritiesDebug: String!
+
   """A list of issues associated with the milestone."""
   issues(
     """Ordering options for issues returned from the connection."""
@@ -6087,6 +6202,11 @@ type Mutation {
   """
   cloneProject(input: CloneProjectInput!): CloneProjectPayload
 
+  """
+  Create a new repository with the same files and directory structure as a template repository.
+  """
+  cloneTemplateRepository(input: CloneTemplateRepositoryInput!): CloneTemplateRepositoryPayload
+
   """Close an issue."""
   closeIssue(input: CloseIssueInput!): CloseIssuePayload
 
@@ -6116,6 +6236,12 @@ type Mutation {
   """Create a new pull request"""
   createPullRequest(input: CreatePullRequestInput!): CreatePullRequestPayload
 
+  """Create a new Git Ref."""
+  createRef(input: CreateRefInput!): CreateRefPayload
+
+  """Create a new repository."""
+  createRepository(input: CreateRepositoryInput!): CreateRepositoryPayload
+
   """Rejects a suggested topic for the repository."""
   declineTopicSuggestion(input: DeclineTopicSuggestionInput!): DeclineTopicSuggestionPayload
 
@@ -6143,6 +6269,9 @@ type Mutation {
   """Deletes a pull request review comment."""
   deletePullRequestReviewComment(input: DeletePullRequestReviewCommentInput!): DeletePullRequestReviewCommentPayload
 
+  """Delete a Git Ref."""
+  deleteRef(input: DeleteRefInput!): DeleteRefPayload
+
   """Dismisses an approved or rejected pull request review."""
   dismissPullRequestReview(input: DismissPullRequestReviewInput!): DismissPullRequestReviewPayload
 
@@ -6233,6 +6362,9 @@ type Mutation {
   """Updates a pull request review comment."""
   updatePullRequestReviewComment(input: UpdatePullRequestReviewCommentInput!): UpdatePullRequestReviewCommentPayload
 
+  """Update a Git Ref."""
+  updateRef(input: UpdateRefInput!): UpdateRefPayload
+
   """Updates the state for subscribable subjects."""
   updateSubscription(input: UpdateSubscriptionInput!): UpdateSubscriptionPayload
 
@@ -6468,14 +6600,14 @@ type Organization implements Node & Actor & RegistryPackageOwner & RegistryPacka
     connection. For example, OWNER will include only repositories that the
     current viewer owns.
     """
-    affiliations: [RepositoryAffiliation]
+    affiliations: [RepositoryAffiliation] = [OWNER, COLLABORATOR]
 
     """
     Array of owner's affiliation options for repositories returned from the
     connection. For example, OWNER will include only repositories that the
     organization or user being viewed owns.
     """
-    ownerAffiliations: [RepositoryAffiliation]
+    ownerAffiliations: [RepositoryAffiliation] = [OWNER, COLLABORATOR]
 
     """
     If non-null, filters repositories according to whether they have been locked
@@ -6860,6 +6992,21 @@ enum PinnableItemType {
 
   """An issue."""
   ISSUE
+
+  """A project."""
+  PROJECT
+
+  """A pull request."""
+  PULL_REQUEST
+
+  """A user."""
+  USER
+
+  """An organization."""
+  ORGANIZATION
+
+  """A team."""
+  TEAM
 }
 
 """Represents a 'pinned' event on a given issue or pull request."""
@@ -7063,7 +7210,7 @@ type Project implements Node & Closable & Updatable {
     last: Int
 
     """A list of archived states to filter the cards by"""
-    archivedStates: [ProjectCardArchivedState]
+    archivedStates: [ProjectCardArchivedState] = [ARCHIVED, NOT_ARCHIVED]
   ): ProjectCardConnection!
 
   """The HTTP path for this project"""
@@ -7204,7 +7351,7 @@ type ProjectColumn implements Node {
     last: Int
 
     """A list of archived states to filter the cards by"""
-    archivedStates: [ProjectCardArchivedState]
+    archivedStates: [ProjectCardArchivedState] = [ARCHIVED, NOT_ARCHIVED]
   ): ProjectCardConnection!
 
   """Identifies the date and time when the object was created."""
@@ -7383,28 +7530,35 @@ enum ProjectState {
 
 """A user's public key."""
 type PublicKey implements Node {
-  """The last time this authorization was used to perform an action"""
+  """
+  The last time this authorization was used to perform an action. Values will be null for keys not owned by the user.
+  """
   accessedAt: DateTime
 
   """
-  Identifies the date and time when the key was created. Keys created before March 5th, 2014 have inaccurate values.
+  Identifies the date and time when the key was created. Keys created before
+  March 5th, 2014 have inaccurate values. Values will be null for keys not owned by the user.
   """
-  createdAt: DateTime!
+  createdAt: DateTime
 
-  """The fingerprint for this PublicKey"""
-  fingerprint: String
+  """The fingerprint for this PublicKey."""
+  fingerprint: String!
   id: ID!
 
-  """Whether this PublicKey is read-only or not"""
-  isReadOnly: Boolean!
+  """
+  Whether this PublicKey is read-only or not. Values will be null for keys not owned by the user.
+  """
+  isReadOnly: Boolean
 
-  """The public key string"""
+  """The public key string."""
   key: String!
 
   """
-  Identifies the date and time when the key was updated. Keys created before March 5th, 2014 may have inaccurate values.
+  Identifies the date and time when the key was updated. Keys created before
+  March 5th, 2014 may have inaccurate values. Values will be null for keys not
+  owned by the user.
   """
-  updatedAt: DateTime!
+  updatedAt: DateTime
 }
 
 """The connection type for PublicKey."""
@@ -7690,7 +7844,7 @@ type PullRequest implements Node & Assignable & Closable & Comment & Updatable &
     last: Int
 
     """A list of archived states to filter the cards by"""
-    archivedStates: [ProjectCardArchivedState]
+    archivedStates: [ProjectCardArchivedState] = [ARCHIVED, NOT_ARCHIVED]
   ): ProjectCardConnection!
 
   """Identifies when the comment was published at."""
@@ -8627,7 +8781,7 @@ type PullRequestTimelineItemEdge {
 }
 
 """An item in a pull request timeline"""
-union PullRequestTimelineItems = PullRequestCommit | PullRequestCommitCommentThread | PullRequestReview | PullRequestReviewThread | PullRequestRevisionMarker | BaseRefChangedEvent | BaseRefForcePushedEvent | DeployedEvent | DeploymentEnvironmentChangedEvent | HeadRefDeletedEvent | HeadRefForcePushedEvent | HeadRefRestoredEvent | MergedEvent | ReviewDismissedEvent | ReviewRequestedEvent | ReviewRequestRemovedEvent | IssueComment | CrossReferencedEvent | AddedToProjectEvent | AssignedEvent | ClosedEvent | CommentDeletedEvent | ConvertedNoteToIssueEvent | DemilestonedEvent | LabeledEvent | LockedEvent | MentionedEvent | MilestonedEvent | MovedColumnsInProjectEvent | PinnedEvent | ReferencedEvent | RemovedFromProjectEvent | RenamedTitleEvent | ReopenedEvent | SubscribedEvent | TransferredEvent | UnassignedEvent | UnlabeledEvent | UnlockedEvent | UserBlockedEvent | UnpinnedEvent | UnsubscribedEvent
+union PullRequestTimelineItems = PullRequestCommit | PullRequestCommitCommentThread | PullRequestReview | PullRequestReviewThread | PullRequestRevisionMarker | BaseRefChangedEvent | BaseRefForcePushedEvent | DeployedEvent | DeploymentEnvironmentChangedEvent | HeadRefDeletedEvent | HeadRefForcePushedEvent | HeadRefRestoredEvent | MergedEvent | ReviewDismissedEvent | ReviewRequestedEvent | ReviewRequestRemovedEvent | ReadyForReviewEvent | IssueComment | CrossReferencedEvent | AddedToProjectEvent | AssignedEvent | ClosedEvent | CommentDeletedEvent | ConvertedNoteToIssueEvent | DemilestonedEvent | LabeledEvent | LockedEvent | MentionedEvent | MilestonedEvent | MovedColumnsInProjectEvent | PinnedEvent | ReferencedEvent | RemovedFromProjectEvent | RenamedTitleEvent | ReopenedEvent | SubscribedEvent | TransferredEvent | UnassignedEvent | UnlabeledEvent | UnlockedEvent | UserBlockedEvent | UnpinnedEvent | UnsubscribedEvent
 
 """The connection type for PullRequestTimelineItems."""
 type PullRequestTimelineItemsConnection {
@@ -8724,6 +8878,9 @@ enum PullRequestTimelineItemsItemType {
   """Represents an 'review_request_removed' event on a given pull request."""
   REVIEW_REQUEST_REMOVED_EVENT
 
+  """Represents a 'ready_for_review' event on a given pull request."""
+  READY_FOR_REVIEW_EVENT
+
   """Represents a comment on an Issue."""
   ISSUE_COMMENT
 
@@ -9342,6 +9499,25 @@ enum ReactionOrderField {
   CREATED_AT
 }
 
+"""Represents a 'ready_for_review' event on a given pull request."""
+type ReadyForReviewEvent implements Node & UniformResourceLocatable {
+  """Identifies the actor who performed the event."""
+  actor: Actor
+
+  """Identifies the date and time when the object was created."""
+  createdAt: DateTime!
+  id: ID!
+
+  """PullRequest referenced by event."""
+  pullRequest: PullRequest!
+
+  """The HTTP path for this ready for review event."""
+  resourcePath: URI!
+
+  """The HTTP URL for this ready for review event."""
+  url: URI!
+}
+
 """Represents a Git reference."""
 type Ref implements Node {
   """A list of pull requests with this ref as the head ref."""
@@ -9995,14 +10171,14 @@ type Repository implements Node & ProjectOwner & RegistryPackageOwner & Subscrib
     connection. For example, OWNER will include only repositories that the
     current viewer owns.
     """
-    affiliations: [RepositoryAffiliation]
+    affiliations: [RepositoryAffiliation] = [OWNER, COLLABORATOR]
 
     """
     Array of owner's affiliation options for repositories returned from the
     connection. For example, OWNER will include only repositories that the
     organization or user being viewed owns.
     """
-    ownerAffiliations: [RepositoryAffiliation]
+    ownerAffiliations: [RepositoryAffiliation] = [OWNER, COLLABORATOR]
 
     """
     If non-null, filters repositories according to whether they have been locked
@@ -10052,6 +10228,11 @@ type Repository implements Node & ProjectOwner & RegistryPackageOwner & Subscrib
   """Identifies if the repository is private."""
   isPrivate: Boolean!
 
+  """
+  Identifies if the repository is a template that can be used to generate new repositories.
+  """
+  isTemplate: Boolean!
+
   """Returns a single issue from the current repository by number."""
   issue(
     """The number for the issue to be returned."""
@@ -10427,6 +10608,9 @@ type Repository implements Node & ProjectOwner & RegistryPackageOwner & Subscrib
     orderBy: StarOrder
   ): StargazerConnection!
 
+  """The repository from which this repository was generated, if any."""
+  templateRepository: Repository
+
   """Identifies the date and time when the object was last updated."""
   updatedAt: DateTime!
 
@@ -10622,6 +10806,11 @@ interface RepositoryInfo {
   """Identifies if the repository is private."""
   isPrivate: Boolean!
 
+  """
+  Identifies if the repository is a template that can be used to generate new repositories.
+  """
+  isTemplate: Boolean!
+
   """The license associated with the repository"""
   licenseInfo: License
 
@@ -10768,14 +10957,14 @@ interface RepositoryOwner {
     connection. For example, OWNER will include only repositories that the
     current viewer owns.
     """
-    affiliations: [RepositoryAffiliation]
+    affiliations: [RepositoryAffiliation] = [OWNER, COLLABORATOR]
 
     """
     Array of owner's affiliation options for repositories returned from the
     connection. For example, OWNER will include only repositories that the
     organization or user being viewed owns.
     """
-    ownerAffiliations: [RepositoryAffiliation]
+    ownerAffiliations: [RepositoryAffiliation] = [OWNER, COLLABORATOR]
 
     """
     If non-null, filters repositories according to whether they have been locked
@@ -10891,6 +11080,18 @@ type RepositoryTopicEdge {
   node: RepositoryTopic
 }
 
+"""The repository's visibility level."""
+enum RepositoryVisibility {
+  """The repository is visible only to those with explicit access."""
+  PRIVATE
+
+  """The repository is visible to everyone."""
+  PUBLIC
+
+  """The repository is visible only to users in the same business."""
+  INTERNAL
+}
+
 """The possible states that can be requested when creating a check run."""
 enum RequestableCheckStatusState {
   """The check suite or run has been queued."""
@@ -11157,7 +11358,7 @@ type ReviewRequestRemovedEvent implements Node {
 }
 
 """The results of a search."""
-union SearchResultItem = Issue | PullRequest | Repository | User | Organization | MarketplaceListing
+union SearchResultItem = Issue | PullRequest | Repository | User | Organization | MarketplaceListing | App
 
 """A list of results that matched against a search query."""
 type SearchResultItemConnection {
@@ -12892,6 +13093,30 @@ type UpdatePullRequestReviewPayload {
   pullRequestReview: PullRequestReview
 }
 
+"""Autogenerated input type of UpdateRef"""
+input UpdateRefInput {
+  """The Node ID of the Ref to be updated."""
+  refId: ID!
+
+  """The GitObjectID that the Ref shall be updated to target."""
+  oid: GitObjectID!
+
+  """Permit updates of branch Refs that are not fast-forwards?"""
+  force: Boolean = false
+
+  """A unique identifier for the client performing the mutation."""
+  clientMutationId: String
+}
+
+"""Autogenerated return type of UpdateRef"""
+type UpdateRefPayload {
+  """A unique identifier for the client performing the mutation."""
+  clientMutationId: String
+
+  """The updated Ref."""
+  ref: Ref
+}
+
 """Autogenerated input type of UpdateSubscription"""
 input UpdateSubscriptionInput {
   """The Node ID of the subscribable object to modify."""
@@ -13354,14 +13579,14 @@ type User implements Node & Actor & RegistryPackageOwner & RegistryPackageSearch
     connection. For example, OWNER will include only repositories that the
     current viewer owns.
     """
-    affiliations: [RepositoryAffiliation]
+    affiliations: [RepositoryAffiliation] = [OWNER, COLLABORATOR]
 
     """
     Array of owner's affiliation options for repositories returned from the
     connection. For example, OWNER will include only repositories that the
     organization or user being viewed owns.
     """
-    ownerAffiliations: [RepositoryAffiliation]
+    ownerAffiliations: [RepositoryAffiliation] = [OWNER, COLLABORATOR]
 
     """
     If non-null, filters repositories according to whether they have been locked
@@ -13489,14 +13714,14 @@ type User implements Node & Actor & RegistryPackageOwner & RegistryPackageSearch
     orderBy: RepositoryOrder
 
     """Affiliation options for repositories returned from the connection"""
-    affiliations: [RepositoryAffiliation]
+    affiliations: [RepositoryAffiliation] = [OWNER, COLLABORATOR, ORGANIZATION_MEMBER]
 
     """
     Array of owner's affiliation options for repositories returned from the
     connection. For example, OWNER will include only repositories that the
     organization or user being viewed owns.
     """
-    ownerAffiliations: [RepositoryAffiliation]
+    ownerAffiliations: [RepositoryAffiliation] = [OWNER, COLLABORATOR]
 
     """
     If non-null, filters repositories according to whether they have been locked