IMarkupSetService
Represents the markup API service.
Creates the specified [MarkupSet](https://relativitydev.github.io/relativity.testing.framework/api/Relativity.Testing.Framework.Models.MarkupSet.html).
Deletes the [MarkupSet](https://relativitydev.github.io/relativity.testing.framework/api/Relativity.Testing.Framework.Models.MarkupSet.html) by the specified ArtifactID.
Determines whether the [MarkupSet](https://relativitydev.github.io/relativity.testing.framework/api/Relativity.Testing.Framework.Models.MarkupSet.html) with the specified ArtifactID exists.
Gets the [MarkupSet](https://relativitydev.github.io/relativity.testing.framework/api/Relativity.Testing.Framework.Models.MarkupSet.html) by the specified ArtifactID.
Gets the [MarkupSet](https://relativitydev.github.io/relativity.testing.framework/api/Relativity.Testing.Framework.Models.MarkupSet.html) by the specified name.
Requires the specified [MarkupSet](https://relativitydev.github.io/relativity.testing.framework/api/Relativity.Testing.Framework.Models.MarkupSet.html).
If [ArtifactID](https://relativitydev.github.io/relativity.testing.framework/api/Relativity.Testing.Framework.Models.Artifact.html#Relativity_Testing_Framework_Models_Artifact_ArtifactID) property of entity has positive value, gets [MarkupSet](https://relativitydev.github.io/relativity.testing.framework/api/Relativity.Testing.Framework.Models.MarkupSet.html) by ArtifactID and updates it.If [Name](https://relativitydev.github.io/relativity.testing.framework/api/Relativity.Testing.Framework.Models.NamedArtifact.html#Relativity_Testing_Framework_Models_NamedArtifact_Name) property of entity has a value, gets [MarkupSet](https://relativitydev.github.io/relativity.testing.framework/api/Relativity.Testing.Framework.Models.MarkupSet.html) by name and updates it if it exists.Otherwise creates a new [MarkupSet](https://relativitydev.github.io/relativity.testing.framework/api/Relativity.Testing.Framework.Models.MarkupSet.html).
Updates the specified [MarkupSet](https://relativitydev.github.io/relativity.testing.framework/api/Relativity.Testing.Framework.Models.MarkupSet.html).