Called by:

• Mobilizon.GraphQL.Resolvers.Invitation.create_invitation (L23)
• Mobilizon.GraphQL.Resolvers.Invitation.list_invitations (L38)
• Mobilizon.GraphQL.Resolvers.Invitation.update_invitation (L46)
• Mobilizon.GraphQL.Resolvers.Invitation.delete_invitation (L54)