{
  "id": "type-h16",
  "revision": "d8f036275f793351cea6b334a570245cd8de1b37a238af7bb3888fe51a810bc1",
  "regions": [
    {
      "id": "server",
      "label": "Server",
      "parent": null
    },
    {
      "id": "database",
      "label": "Database",
      "parent": null
    },
    {
      "id": "external",
      "label": "External",
      "parent": null
    }
  ],
  "nodes": [
    {
      "id": "invite",
      "label": "Membership operation",
      "kind": "N02",
      "region": "server",
      "ports": [
        {
          "id": "accept",
          "profile": "P02",
          "contract": "AcceptMembershipReceiptV1",
          "polarity": "Require"
        }
      ]
    },
    {
      "id": "tx",
      "label": "Membership transaction",
      "kind": "N23",
      "region": "database",
      "ports": [
        {
          "id": "accept",
          "profile": "P02",
          "contract": "AcceptMembershipReceiptV1",
          "polarity": "Offer"
        },
        {
          "id": "scope",
          "profile": "P10",
          "contract": "MembershipAuditTransactionV1",
          "polarity": "Offer"
        },
        {
          "id": "committed",
          "profile": "P04",
          "contract": "MembershipCommittedV1",
          "polarity": "Offer"
        }
      ]
    },
    {
      "id": "member",
      "label": "Membership table",
      "kind": "N21",
      "region": "database",
      "ports": [
        {
          "id": "tx",
          "profile": "P10",
          "contract": "MembershipAuditTransactionV1",
          "polarity": "Neutral"
        }
      ]
    },
    {
      "id": "audit",
      "label": "Audit table",
      "kind": "N21",
      "region": "database",
      "ports": [
        {
          "id": "tx",
          "profile": "P10",
          "contract": "MembershipAuditTransactionV1",
          "polarity": "Neutral"
        }
      ]
    },
    {
      "id": "email",
      "label": "Invitation email adapter",
      "kind": "N19",
      "region": "external",
      "ports": [
        {
          "id": "send",
          "profile": "P04",
          "contract": "MembershipCommittedV1",
          "polarity": "Require"
        }
      ]
    }
  ],
  "relations": [
    {
      "id": "request",
      "kind": "H05",
      "incidences": [
        {
          "node": "invite",
          "port": "accept",
          "role": "caller",
          "ordinal": 0
        },
        {
          "node": "tx",
          "port": "accept",
          "role": "callee",
          "ordinal": 0
        }
      ]
    },
    {
      "id": "atomic",
      "kind": "H16",
      "incidences": [
        {
          "node": "tx",
          "port": "scope",
          "role": "authority",
          "ordinal": 0
        },
        {
          "node": "member",
          "port": "tx",
          "role": "participant",
          "ordinal": 0
        },
        {
          "node": "audit",
          "port": "tx",
          "role": "participant",
          "ordinal": 1
        }
      ]
    },
    {
      "id": "email",
      "kind": "H04",
      "incidences": [
        {
          "node": "tx",
          "port": "committed",
          "role": "publisher",
          "ordinal": 0
        },
        {
          "node": "email",
          "port": "send",
          "role": "subscriber",
          "ordinal": 0
        }
      ]
    }
  ]
}