OpenMetadata LLM Models API

openapi: 3.0.1
info:
  title: OpenMetadata APIs Agent Executions LLM Models API
  description: Common types and API definition for OpenMetadata
  contact:
    name: OpenMetadata
    url: https://open-metadata.org
    email: openmetadata-dev@googlegroups.com
  license:
    name: Apache 2.0
    url: https://www.apache.org/licenses/LICENSE-2.0
  version: '1.13'
servers:
- url: /api
  description: Current Host
- url: http://localhost:8585/api
  description: Endpoint URL
security:
- BearerAuth: []
tags:
- name: LLM Models
  description: '`LLM Models` are Large Language Model instances such as GPT-4, Claude, Llama, or custom-trained models used for AI applications.'
paths:
  /v1/llmModels/{id}/followers:
    put:
      tags:
      - LLM Models
      summary: Add a follower
      description: Add a user identified by `userId` as follower of this model
      operationId: addFollower_2
      parameters:
      - name: id
        in: path
        description: Id of the LLM Model
        required: true
        schema:
          type: string
          format: uuid
      requestBody:
        description: Id of the user to be added as follower
        content:
          application/json:
            schema:
              type: string
              format: uuid
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ChangeEvent'
        '404':
          description: model for instance {id} is not found
  /v1/llmModels:
    get:
      tags:
      - LLM Models
      summary: List LLM models
      description: Get a list of LLM models, optionally filtered by `service` it belongs to. Use `fields` parameter to get only necessary fields. Use cursor-based pagination to limit the number entries in the list using `limit` and `before` or `after` query params.
      operationId: listLLMModels
      parameters:
      - name: fields
        in: query
        description: Fields requested in the returned resource
        schema:
          type: string
          example: owners,followers,tags,extension,domains
      - name: service
        in: query
        description: Filter LLM Models by service name
        schema:
          type: string
          example: openai
      - name: limit
        in: query
        description: Limit the number models returned. (1 to 1000000, default = 10)
        schema:
          maximum: 1000000
          minimum: 0
          type: integer
          format: int32
          default: 10
      - name: before
        in: query
        description: Returns list of models before this cursor
        schema:
          type: string
      - name: after
        in: query
        description: Returns list of models after this cursor
        schema:
          type: string
      - name: include
        in: query
        description: Include all, deleted, or non-deleted entities.
        schema:
          type: string
          default: non-deleted
          enum:
          - all
          - deleted
          - non-deleted
      responses:
        '200':
          description: List of models
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/LLMModelList'
    put:
      tags:
      - LLM Models
      summary: Create or update an LLM model
      description: Create a new LLM model, if it does not exist or update an existing model.
      operationId: createOrUpdateLLMModel
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/CreateLLMModel'
      responses:
        '200':
          description: The model
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/LLMModel'
        '400':
          description: Bad request
    post:
      tags:
      - LLM Models
      summary: Create an LLM model
      description: Create a new LLM model.
      operationId: createLLMModel
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/CreateLLMModel'
      responses:
        '200':
          description: LLM Model
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/LLMModel'
        '400':
          description: Bad request
  /v1/llmModels/{id}:
    get:
      tags:
      - LLM Models
      summary: Get an LLM model by Id
      description: Get an LLM model by `Id`.
      operationId: getLLMModelByID
      parameters:
      - name: id
        in: path
        description: Id of the LLM Model
        required: true
        schema:
          type: string
          format: uuid
      - name: fields
        in: query
        description: Fields requested in the returned resource
        schema:
          type: string
          example: owners,followers,tags,extension,domains
      - name: include
        in: query
        description: Include all, deleted, or non-deleted entities.
        schema:
          type: string
          default: non-deleted
          enum:
          - all
          - deleted
          - non-deleted
      - name: includeRelations
        in: query
        description: 'Per-relation include control. Format: field:value,field2:value2. Example: owners:non-deleted,followers:all. Valid values: all, deleted, non-deleted. If not specified for a field, uses the entity''s include value.'
        schema:
          type: string
          example: owners:non-deleted,followers:all
      responses:
        '200':
          description: The model
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/LLMModel'
        '404':
          description: Model for instance {id} is not found
    delete:
      tags:
      - LLM Models
      summary: Delete an LLM model by Id
      description: Delete an LLM model by `Id`.
      operationId: deleteLLMModel
      parameters:
      - name: hardDelete
        in: query
        description: Hard delete the entity. (Default = `false`)
        schema:
          type: boolean
          default: false
      - name: id
        in: path
        description: Id of the LLM Model
        required: true
        schema:
          type: string
          format: uuid
      responses:
        '200':
          description: OK
        '404':
          description: model for instance {id} is not found
    patch:
      tags:
      - LLM Models
      summary: Update an LLM model
      description: Update an existing LLM model using JsonPatch.
      externalDocs:
        description: JsonPatch RFC
        url: https://tools.ietf.org/html/rfc6902
      operationId: patchLLMModel_1
      parameters:
      - name: id
        in: path
        description: Id of the LLM Model
        required: true
        schema:
          type: string
          format: uuid
      requestBody:
        description: JsonPatch with array of operations
        content:
          application/json-patch+json:
            schema:
              $ref: '#/components/schemas/JsonPatch'
            example: '[{op:remove, path:/a},{op:add, path: /b, value: val}]'
      responses:
        default:
          description: default response
          content:
            application/json: {}
  /v1/llmModels/name/{fqn}:
    get:
      tags:
      - LLM Models
      summary: Get an LLM model by fully qualified name
      description: Get an LLM model by fully qualified name.
      operationId: getLLMModelByFQN
      parameters:
      - name: fqn
        in: path
        description: Fully qualified name of LLM Model
        required: true
        schema:
          type: string
      - name: fields
        in: query
        description: Fields requested in the returned resource
        schema:
          type: string
          example: owners,followers,tags,extension,domains
      - name: include
        in: query
        description: Include all, deleted, or non-deleted entities.
        schema:
          type: string
          default: non-deleted
          enum:
          - all
          - deleted
          - non-deleted
      - name: includeRelations
        in: query
        description: 'Per-relation include control. Format: field:value,field2:value2. Example: owners:non-deleted,followers:all. Valid values: all, deleted, non-deleted. If not specified for a field, uses the entity''s include value.'
        schema:
          type: string
          example: owners:non-deleted,followers:all
      responses:
        '200':
          description: The model
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/LLMModel'
        '404':
          description: Model for instance {fqn} is not found
    delete:
      tags:
      - LLM Models
      summary: Delete an LLM model by fully qualified name
      description: Delete an LLM model by `fullyQualifiedName`.
      operationId: deleteLLMModelByFQN
      parameters:
      - name: hardDelete
        in: query
        description: Hard delete the entity. (Default = `false`)
        schema:
          type: boolean
          default: false
      - name: recursive
        in: query
        description: Recursively delete this entity and it's children. (Default `false`)
        schema:
          type: boolean
          default: false
      - name: fqn
        in: path
        description: Name of the LLM Model
        required: true
        schema:
          type: string
      responses:
        '200':
          description: OK
        '404':
          description: model for instance {fqn} is not found
    patch:
      tags:
      - LLM Models
      summary: Update an LLM model by name.
      description: Update an existing LLM model using JsonPatch.
      externalDocs:
        description: JsonPatch RFC
        url: https://tools.ietf.org/html/rfc6902
      operationId: patchLLMModel
      parameters:
      - name: fqn
        in: path
        description: Name of the LLM Model
        required: true
        schema:
          type: string
      requestBody:
        description: JsonPatch with array of operations
        content:
          application/json-patch+json:
            schema:
              $ref: '#/components/schemas/JsonPatch'
            example: '[{op:remove, path:/a},{op:add, path: /b, value: val}]'
      responses:
        default:
          description: default response
          content:
            application/json: {}
  /v1/llmModels/async/{id}:
    delete:
      tags:
      - LLM Models
      summary: Delete an LLM model asynchronously by Id
      description: Delete an LLM model by `Id` asynchronously.
      operationId: deleteAsyncLLMModel
      parameters:
      - name: hardDelete
        in: query
        description: Hard delete the entity. (Default = `false`)
        schema:
          type: boolean
          default: false
      - name: recursive
        in: query
        description: Recursively delete this entity and it's children. (Default `false`)
        schema:
          type: boolean
          default: false
      - name: id
        in: path
        description: Id of the LLM Model
        required: true
        schema:
          type: string
          format: uuid
      responses:
        '200':
          description: OK
        '404':
          description: model for instance {id} is not found
  /v1/llmModels/{id}/followers/{userId}:
    delete:
      tags:
      - LLM Models
      summary: Remove a follower
      description: Remove the user identified `userId` as a follower of the model.
      operationId: deleteFollower_2
      parameters:
      - name: id
        in: path
        description: Id of the LLM Model
        required: true
        schema:
          type: string
          format: uuid
      - name: userId
        in: path
        description: Id of the user being removed as follower
        required: true
        schema:
          type: string
          format: uuid
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ChangeEvent'
  /v1/llmModels/{id}/versions/{version}:
    get:
      tags:
      - LLM Models
      summary: Get a version of the LLM model
      description: Get a version of the LLM model by given `id`
      operationId: getSpecificLLMModelVersion
      parameters:
      - name: id
        in: path
        description: Id of the LLM Model
        required: true
        schema:
          type: string
          format: uuid
      - name: version
        in: path
        description: LLM Model version number in the form `major`.`minor`
        required: true
        schema:
          type: string
          example: 0.1 or 1.1
      responses:
        '200':
          description: LLMModel
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/LLMModel'
        '404':
          description: LLM Model for instance {id} and version {version} is not found
  /v1/llmModels/history:
    get:
      tags:
      - LLM Models
      summary: List all entity versions within a time range
      description: 'Get a paginated list of all entity versions within a given time range specified by `startTs` and `endTs` in milliseconds since epoch. '
      operationId: listAllEntityVersionsByTimestamp_2
      parameters:
      - name: startTs
        in: query
        description: Start timestamp in milliseconds since epoch
        required: true
        schema:
          type: integer
          format: int64
      - name: endTs
        in: query
        description: End timestamp in milliseconds since epoch
        required: true
        schema:
          type: integer
          format: int64
      - name: limit
        in: query
        description: Limit the number of entity returned (1 to 1000000, default = 10)
        schema:
          maximum: 500
          minimum: 1
          type: integer
          format: int32
          default: 10
      - name: before
        in: query
        description: Returns list of entity versions before this cursor
        schema:
          type: string
      - name: after
        in: query
        description: Returns list of entity versions after this cursor
        schema:
          type: string
      responses:
        '200':
          description: List of all versions
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ResultList'
  /v1/llmModels/{id}/versions:
    get:
      tags:
      - LLM Models
      summary: List LLM model versions
      description: Get a list of all the versions of an LLM Model identified by `id`
      operationId: listAllLLMModelVersion
      parameters:
      - name: id
        in: path
        description: Id of the LLM Model
        required: true
        schema:
          type: string
          format: uuid
      responses:
        '200':
          description: List of LLM Model versions
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/EntityHistory'
  /v1/llmModels/restore:
    put:
      tags:
      - LLM Models
      summary: Restore a soft deleted LLM model
      description: Restore a soft deleted LLM Model.
      operationId: restore_2
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/RestoreEntity'
      responses:
        '200':
          description: 'Successfully restored the LLMModel '
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/LLMModel'
components:
  schemas:
    DeploymentInfo:
      type: object
      properties:
        deploymentType:
          type: string
          enum:
          - API
          - SelfHosted
          - Hybrid
          - OnPremise
        endpoint:
          type: string
        region:
          type: string
        availabilityZones:
          type: array
          items:
            type: string
    TagLabelRecognizerMetadata:
      required:
      - recognizerId
      - recognizerName
      - score
      type: object
      properties:
        recognizerId:
          type: string
          format: uuid
        recognizerName:
          type: string
        score:
          type: number
          format: double
        target:
          type: string
          enum:
          - content
          - column_name
        patterns:
          type: array
          items:
            $ref: '#/components/schemas/PatternMatch'
    Hyperparameters:
      type: object
      properties:
        learningRate:
          type: number
          format: double
        batchSize:
          type: integer
          format: int32
        epochs:
          type: integer
          format: int32
        optimizer:
          type: string
        warmupSteps:
          type: integer
          format: int32
        weightDecay:
          type: number
          format: double
    ChangeSummaryMap:
      type: object
    AccessDetails:
      required:
      - timestamp
      type: object
      properties:
        timestamp:
          type: integer
          format: int64
        accessedBy:
          $ref: '#/components/schemas/EntityReference'
        accessedByAProcess:
          type: string
    FieldChange:
      type: object
      properties:
        name:
          type: string
        oldValue:
          type: object
        newValue:
          type: object
    TrainingMetadata:
      type: object
      properties:
        baseModel:
          type: string
        trainingType:
          type: string
          enum:
          - FullFineTune
          - LoRA
          - QLoRA
          - PrefixTuning
          - PromptTuning
          - RLHF
        trainingDatasets:
          type: array
          items:
            $ref: '#/components/schemas/EntityReference'
        validationDatasets:
          type: array
          items:
            $ref: '#/components/schemas/EntityReference'
        dataLineage:
          type: array
          items:
            $ref: '#/components/schemas/DataLineage'
        trainingPeriod:
          $ref: '#/components/schemas/TrainingPeriod'
        trainingCost:
          $ref: '#/components/schemas/TrainingCost'
        hyperparameters:
          $ref: '#/components/schemas/Hyperparameters'
        trainingMetrics:
          $ref: '#/components/schemas/TrainingMetrics'
        trainedBy:
          type: string
        trainingJobId:
          type: string
    LLMModel:
      required:
      - baseModel
      - id
      - modelType
      - name
      type: object
      properties:
        id:
          type: string
          format: uuid
        name:
          maxLength: 256
          minLength: 1
          pattern: ^((?!::).)*$
          type: string
        fullyQualifiedName:
          maxLength: 3072
          minLength: 1
          type: string
        displayName:
          type: string
        description:
          type: string
        service:
          $ref: '#/components/schemas/EntityReference'
        modelType:
          type: string
          enum:
          - BaseModel
          - FineTuned
          - Quantized
          - Distilled
          - Adapter
          - Custom
        baseModel:
          type: string
        modelVersion:
          type: string
        modelProvider:
          type: string
        providerModelId:
          type: string
        capabilities:
          type: array
          items:
            type: string
            enum:
            - TextGeneration
            - CodeGeneration
            - Embeddings
            - Chat
            - Vision
            - Audio
            - FunctionCalling
            - ToolUse
        modelSpecifications:
          $ref: '#/components/schemas/ModelSpecifications'
        trainingMetadata:
          $ref: '#/components/schemas/TrainingMetadata'
        modelEvaluation:
          $ref: '#/components/schemas/ModelEvaluation'
        usedByAgents:
          type: array
          items:
            $ref: '#/components/schemas/EntityReference'
        governanceStatus:
          type: string
          enum:
          - Approved
          - PendingReview
          - Rejected
          - Unauthorized
        certifications:
          type: array
          items:
            type: string
        regulatoryCompliance:
          type: array
          items:
            type: string
        costMetrics:
          $ref: '#/components/schemas/CostMetrics'
        deploymentInfo:
          $ref: '#/components/schemas/DeploymentInfo'
        owners:
          type: array
          items:
            $ref: '#/components/schemas/EntityReference'
        followers:
          type: array
          items:
            $ref: '#/components/schemas/EntityReference'
        domain:
          $ref: '#/components/schemas/EntityReference'
        dataProducts:
          type: array
          items:
            $ref: '#/components/schemas/EntityReference'
        dataContract:
          $ref: '#/components/schemas/EntityReference'
        tags:
          type: array
          items:
            $ref: '#/components/schemas/TagLabel'
        version:
          type: number
          format: double
        updatedAt:
          type: integer
          format: int64
        updatedBy:
          type: string
        href:
          type: string
          format: uri
        changeDescription:
          $ref: '#/components/schemas/ChangeDescription'
        incrementalChangeDescription:
          $ref: '#/components/schemas/ChangeDescription'
        deleted:
          type: boolean
        certification:
          $ref: '#/components/schemas/AssetCertification'
        extension:
          type: object
        domains:
          type: array
          items:
            $ref: '#/components/schemas/EntityReference'
        votes:
          $ref: '#/components/schemas/Votes'
        lifeCycle:
          $ref: '#/components/schemas/LifeCycle'
        sourceHash:
          maxLength: 32
          minLength: 1
          type: string
        provider:
          type: string
          enum:
          - system
          - user
          - automation
        children:
          type: array
          items:
            $ref: '#/components/schemas/EntityReference'
        style:
          $ref: '#/components/schemas/Style'
        experts:
          type: array
          items:
            $ref: '#/components/schemas/EntityReference'
        reviewers:
          type: array
          items:
            $ref: '#/components/schemas/EntityReference'
        impersonatedBy:
          type: string
        usageSummary:
          $ref: '#/components/schemas/UsageDetails'
        entityStatus:
          type: string
          enum:
          - Draft
          - In Review
          - Approved
          - Archived
          - Deprecated
          - Rejected
          - Unprocessed
    CoverImage:
      type: object
      properties:
        url:
          type: string
        position:
          type: string
    ModelEvaluation:
      type: object
      properties:
        evaluatedAt:
          type: integer
          format: int64
        evaluationDataset:
          $ref: '#/components/schemas/EntityReference'
        accuracyMetrics:
          $ref: '#/components/schemas/AccuracyMetrics'
        biasMetrics:
          $ref: '#/components/schemas/BiasMetrics__1'
        fairnessMetrics:
          $ref: '#/components/schemas/FairnessMetrics'
        robustnessMetrics:
          $ref: '#/components/schemas/RobustnessMetrics'
        safetyMetrics:
          $ref: '#/components/schemas/SafetyMetrics__1'
    RestoreEntity:
      required:
      - id
      type: object
      properties:
        id:
          type: string
          format: uuid
    LifeCycle:
      type: object
      properties:
        created:
          $ref: '#/components/schemas/AccessDetails'
        updated:
          $ref: '#/components/schemas/AccessDetails'
        accessed:
          $ref: '#/components/schemas/AccessDetails'
    CostMetrics:
      type: object
      properties:
        inputCostPer1kTokens:
          type: number
          format: double
        outputCostPer1kTokens:
          type: number
          format: double
        currency:
          type: string
        estimatedMonthlyUsage:
          type: integer
          format: int32
        estimatedMonthlyCost:
          type: number
          format: double
    CreateLLMModel:
      required:
      - baseModel
      - name
      - service
      type: object
      properties:
        name:
          maxLength: 256
          minLength: 1
          pattern: ^((?!::).)*$
          type: string
        displayName:
          type: string
        description:
          type: string
        baseModel:
          type: string
        modelVersion:
          type: string
        modelProvider:
          type: string
        modelSpecifications:
          $ref: '#/components/schemas/ModelSpecifications'
        trainingMetadata:
          $ref: '#/components/schemas/TrainingMetadata'
        modelEvaluation:
          $ref: '#/components/schemas/ModelEvaluation'
        costMetrics:
          $ref: '#/components/schemas/CostMetrics'
        deploymentInfo:
          $ref: '#/components/schemas/DeploymentInfo'
        governanceStatus:
          type: string
          enum:
          - Approved
          - PendingReview
          - Rejected
          - Unauthorized
        certifications:
          type: array
          items:
            type: string
        regulatoryCompliance:
          type: array
          items:
            type: string
        service:
          maxLength: 3072
          minLength: 1
          type: string
        tags:
          type: array
          items:
            $ref: '#/components/schemas/TagLabel'
        owners:
          type: array
          items:
            $ref: '#/components/schemas/EntityReference'
        extension:
          type: object
        domains:
          type: array
          items:
            type: string
        dataProducts:
          type: array
          items:
            type: string
        reviewers:
          type: array
          items:
            $ref: '#/components/schemas/EntityReference'
        lifeCycle:
          $ref: '#/components/schemas/LifeCycle'
    EntityHistory:
      required:
      - entityType
      - versions
      type: object
      properties:
        entityType:
          type: string
        versions:
          type: array
          items:
            type: object
    AssetCertification:
      required:
      - appliedDate
      - expiryDate
      - tagLabel
      type: object
      properties:
        tagLabel:
          $ref: '#/components/schemas/TagLabel'
        appliedDate:
          type: integer
          format: int64
        expiryDate:
          type: integer
          format: int64
    ResultList:
      required:
      - data
      type: object
      properties:
        data:
          type: array
          items:
            type: object
        paging:
          $ref: '#/components/schemas/Paging'
        errors:
          type: array
          items:
            $ref: '#/components/schemas/EntityError'
        warningsCount:
          type: integer
          format: int32
        warnings:
          type: array
          items:
            $ref: '#/components/schemas/EntityError'
    Paging:
      required:
      - total
      type: object
      properties:
        before:
          type: string
        after:
          type: string
        offset:
          type: integer
          format: int32
        limit:
          type: integer
          format: int32
        total:
          type: integer
          format: int32
    RobustnessMetrics:
      type: object
      properties:
        adversarialRobustness:
          type: number
          format: double
        outlierSensitivity:
          type: number
          format: double
        noiseRobustness:
          type: number
          format: double
    BiasMetrics__1:
      type: object
      properties:
        overallBiasScore:
          type: number
          format: double
        demographicParity:
          type: number
          format: double
        equalizedOdds:
          type: number
          format: double
        disparateImpact:
          type: number
          format: double
        dimensionScores:
          $ref: '#/components/schemas/DimensionScores__1'
        testMethod:
          type: string
        testDataset:
          $ref: '#/components/schemas/EntityReference'
    JsonPatch:
      type: object
    SafetyMetrics__1:
      type: object
      properties:
        toxicityScore:
          type: number
          format: double
        harmfulContentRate:
          type: number
          format: double
        piiLeakageRisk:
          type: number
          format: double
    ChangeDescription:
      type: object
      properties:
        fieldsAdded:
          type: array
          items:
            $ref: '#/components/schemas/FieldChange'
        fieldsUpdated:
          type: array
          items:
            $ref: '#/components/schemas/FieldChange'
        fieldsDeleted:
          type: array
          items:
            $ref: '#/components/schemas/FieldChange'
        previousVersion:
          type: number
          format: double
        changeSummary:
          $ref: '#/components/schemas/ChangeSummaryMap'
    DataLineage:
      type: object
      properties:
        dataset:
          $ref: '#/components/schemas/EntityReference'
        recordCount:
          type: integer
          format: int32
        dateRange:
          $ref: '#/components/schemas/DateRange'
        columns:
          type: array
          items:
            type: string
        piiHandling:
          type: string
        dataTransformations:
          type: array
          items:
            type: string
        sensitivityLevel:
          type: string
          enum:
          - Public
          - Internal
          - Confidential
          - Restricted
    TrainingMetrics:
      type: object
      properties:
        finalLoss:
          type: number
          format: double
        accuracy:
          type: number
          format: double
        perplexity:
          type: number
          format: double
        validationLoss:
          type: number
          format: double
    ChangeEvent:
      required:
      - entityId
      - entityType
      - eventType
      - id
      - timestamp
      type: object
      properties:
        id:
          type: string
          format: uuid
        eventType:
          type: string
          enum:
          - entityCreated
          - entityUpdated
          - entityFieldsChanged
          - entityNoChange
          - entitySoftDeleted
          - entityDeleted
          - entityRestored
          - threadCreated
          - threadUpdated
          - postCreated
          - postUpdated
          - taskResolved
          - taskClosed
          - logicalTestCaseAdded
          - suggestionCreated
          - suggestionUpdated
          - suggestionAccepted
          - suggestionRejected
          - suggestionDeleted
          - userLogin
          - userLogout
        entityType:
          type: string
        entityId:
          type: string
          format: uuid
        domains:
          type: array
          items:
            type: string
            format: uuid
        entityFullyQualifiedName:
          type: string
        previousVersion:
          type: number
          format: double
        currentVersion:
          type: number
          format: double
        userName:
          type: string
        impersonatedBy:
          type: string
        timestamp:
          type: integer
          format: int64
        changeDescription:
          $ref: '#/components/schemas/ChangeDescription'
        incrementalChangeDescription:
          $ref: '#/components/schemas/ChangeDescription'
        entity:
          type: object
    UsageStats:
      required:
      - count
      type: object
      properties:
        count:
          minimum: 0
          exclusiveMinimum: false
          type: integer
          format: int32
        percentileRank:
          type: number
          format: double
    FairnessMetrics:
      type: object
      properties:
        groupFairness:
          type: number
       

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