examples:
  refs:
    accountId: 'a'
    emailId: 'bmaaaaa2'
    threadId: 'b'
    mailboxIds: {"a": true}
    emailKeywords: ["$seen", "$notjunk"]
    emailSize: 3794
    emailReceivedAt: '2025-09-23T10:58:03Z'
    emailSentAt: '2025-09-23T12:58:03+02:00'
    blobId: 'cfz7vkmhcfwl1gfln02hga2fb3xwsqirirousda0rs1soeosla2p1aiaahcqjwaf'
    attachmentName: 'Alloy_Yellow_Scale.pdf'
    attachmentType: 'application/pdf'
    attachmentSize: 192128
    attachmentDisposition: 'attachment'
    attachmentPartId: '3'
    attachmentCharset: 'utf-8'
    attachmentCid: 'c1'
    emailAddressName: 'Camina Drummer'
    emailAddressEmail: 'drummer@opa.org'
    emailSenders:
      - name: 'Chrisjen Avasarala'
        email: 'secgen@earth.gov'
    emailFroms:
      - name: 'Chrissie'
        email: 'secgen@earth.gov'      
    emailTos:
      - name: 'Camina Drummer'
        email: 'drummer@opa.org'
    emailCCs:
      - name: 'Naomi Nagata'
        email: 'nagata@opa.org'
      - name: 'James Holden'
        email: 'holden@earth.gov'
    emailBCCs:
      - name: 'Fred Johnson'
        email: 'johnson@opa.org'
    emailSubject: 'Food for thought'
    emailPreview: >-
      No one starts a war unless I say then can.
    emailAttachments:
      - partId: '2'
        blobId: 'cfz7vkmhcfwl1gfln02hga2fb3xwsqirirousda0rs1soeosla2p1aiaahcqjwaf'
        size: 1374
        type: 'application/pdf'
        name: 'the_path.pdf'
        disposition: 'attachment'
      - partId: '3'
        blobId: 'cnz7vkmhcfwl1gfln02hga2fb3xwsqirirousda0rs1soeosla2p1aiaahcq0wqo'
        charset: 'utf-8'
        size: 728
        type: 'text/plain'
        name: 'secrets.txt'
        disposition: 'attachment'
      - partId: '4'
        blobId: 'caqyey2wobo2bzjkkp2qlsn1ctitl02yylscnb77lc79nvubjihliaiadq'
        size: 787545
        name: 'molecule-design.png'
        type: 'image/png'
        disposition: 'inline'
        cid: 'c1'
  inject:
    Email:
      size: $emailSize
    EmailSummary:
      size: $emailSize
    EmailBodyPart:
      size: $attachmentSize