classDiagram
 class MachineAnnotationService { 
   schema:identifier : string 
   ods:fdoType : string 
   ods:status : string 
   schema:version : integer 
   schema:name : string 
   schema:description : string 
   schema:dateCreated : string 
   schema:dateModified : string 
   schema:creator : object 
   ods:containerImage : string 
   ods:containerTag : string 
   ods:hasTargetDigitalObjectFilter : object 
   schema:creativeWorkStatus : string 
   schema:codeRepository : string 
   schema:programmingLanguage : string 
   ods:serviceAvailability : string 
   schema:maintainer : object 
   schema:license : string 
   ods:slaDocumentation : string 
   ods:topicName : string 
   ods:maxReplicas : integer 
   ods:batchingPermitted : boolean 
   ods:timeToLive : integer 
   ods:hasTombstoneMetadata : object 
   ods:hasEnvironmentalVariables : array<ods:EnvironmentalVariable> 
   ods:hasSecretVariables : array<ods:SecretVariable> 
 }
 class ContactPoint {
   schema:description : string 
   schema:email : string 
   schema:url : string 
   schema:telephone : string 
 }
 class TombstoneMetadata { 
   ods:tombstoneDate : string 
   ods:tombstoneText : string 
   ods:hasAgents : object 
   ods:hasRelatedPIDs : array<ods:RelatedPID> 
 }
 class RelatedPID { 
   dcterms:identifier : string 
   schema:identifier : string 
   ods:relationshipType : string 
 }
 class Agent { 
   schema:identifier : string 
   schema:name : string 
   ods:hasRoles : array<ods:Role> 
   schema:email : string 
   schema:url : string 
   ods:hasIdentifiers : array<ods:Identifier> 
 }
 class Role { 
   schema:roleName : string 
   schema:startDate : string 
   schema:endDate : string 
   schema:position : integer 
 }
 class SecretVariable { 
   schema:name : string 
   ods:secretKeyRef : string 
 }
 class EnvironmentalVariable { 
   schema:name : string 
   schema:value : ['string', 'integer', 'boolean'] 
 }
 class Identifier { 
   dcterms:title : string 
   dcterms:type : string 
   dcterms:identifier : string 
   dcterms:format : array<string> 
   dcterms:subject : array<string> 
   ods:isPartOfLabel : boolean 
   ods:gupriLevel : string 
   ods:identifierStatus : string 
 }
MachineAnnotationService -- ContactPoint
MachineAnnotationService -- TombstoneMetadata
TombstoneMetadata -- RelatedPID
MachineAnnotationService -- Agent
Agent -- Role
TombstoneMetadata -- Agent
MachineAnnotationService -- SecretVariable
MachineAnnotationService -- EnvironmentalVariable