[
    {
        "collection": "users",
        "indexes": [
            {
                "name": "users",
                "key": {
                    "username": 1
                },
                "unique": true,
                "background": true
            }
        ]
    },
    {
        "collection": "users",
        "indexes": [
            {
                "name": "show_new",
                "key": {
                    "created": -1
                },
                "background": true
            }
        ]
    },
    {
        "collection": "addresses",
        "indexes": [
            {
                "name": "address",
                "key": {
                    "address": 1
                },
                "unique": true,
                "background": true
            }
        ]
    },
    {
        "collection": "addresses",
        "indexes": [
            {
                "name": "user",
                "key": {
                    "user": 1
                },
                "background": true
            }
        ]
    },
    {
        "collection": "mailboxes",
        "indexes": [
            {
                "name": "find_by_user",
                "key": {
                    "user": 1,
                    "path": 1
                },
                "background": true
            }
        ]
    },
    {
        "collection": "mailboxes",
        "indexes": [
            {
                "name": "user_subscribed",
                "key": {
                    "user": 1,
                    "subscribed": 1
                },
                "background": true
            }
        ]
    },
    {
        "collection": "mailboxes",
        "indexes": [
            {
                "name": "find_by_type",
                "key": {
                    "user": 1,
                    "specialUse": 1
                },
                "background": true
            }
        ]
    },
    {
        "collection": "messages",
        "indexes": [
            {
                "name": "mailbox_messages",
                "key": {
                    "mailbox": 1
                },
                "background": true
            }
        ]
    },
    {
        "collection": "messages",
        "indexes": [
            {
                "name": "user_messages",
                "key": {
                    "user": 1
                },
                "background": true
            }
        ]
    },
    {
        "collection": "messages",
        "indexes": [
            {
                "name": "mailbox_uid",
                "key": {
                    "mailbox": 1,
                    "uid": 1
                },
                "background": true
            }
        ]
    },
    {
        "collection": "messages",
        "indexes": [
            {
                "name": "mailbox_modseq_uid",
                "key": {
                    "mailbox": 1,
                    "modseq": 1,
                    "uid": 1
                },
                "background": true
            }
        ]
    },
    {
        "collection": "messages",
        "indexes": [
            {
                "name": "newer_first",
                "key": {
                    "mailbox": 1,
                    "uid": -1
                },
                "background": true
            }
        ]
    },
    {
        "collection": "messages",
        "indexes": [
            {
                "name": "mailbox_flags",
                "key": {
                    "mailbox": 1,
                    "flags": 1
                },
                "background": true
            }
        ]
    },
    {
        "collection": "messages",
        "indexes": [
            {
                "name": "by_modseq",
                "key": {
                    "mailbox": 1,
                    "modseq": 1
                },
                "background": true
            }
        ]
    },
    {
        "collection": "messages",
        "indexes": [
            {
                "name": "by_idate",
                "key": {
                    "mailbox": 1,
                    "idate": 1,
                    "_id": 1
                },
                "background": true
            }
        ]
    },
    {
        "collection": "messages",
        "indexes": [
            {
                "name": "by_idate_newer",
                "key": {
                    "mailbox": 1,
                    "idate": -1,
                    "_id": -1
                },
                "background": true
            }
        ]
    },
    {
        "collection": "messages",
        "indexes": [
            {
                "name": "by_hdate",
                "key": {
                    "mailbox": 1,
                    "hdate": 1,
                    "msgid": 1
                },
                "background": true
            }
        ]
    },
    {
        "collection": "messages",
        "indexes": [
            {
                "name": "by_size",
                "key": {
                    "mailbox": 1,
                    "size": 1
                },
                "background": true
            }
        ]
    },
    {
        "collection": "messages",
        "indexes": [
            {
                "name": "by_headers",
                "key": {
                    "mailbox": 1,
                    "headers.key": 1,
                    "headers.value": 1
                },
                "background": true
            }
        ]
    },
    {
        "collection": "messages",
        "indexes": [
            {
                "name": "fulltext",
                "key": {
                    "mailbox": 1,
                    "text": "text"
                },
                "background": true
            }
        ]
    },
    {
        "collection": "messages",
        "indexes": [
            {
                "name": "mailbox_seen_flag",
                "key": {
                    "mailbox": 1,
                    "seen": 1
                },
                "background": true
            }
        ]
    },
    {
        "collection": "messages",
        "indexes": [
            {
                "name": "mailbox_deleted_flag",
                "key": {
                    "mailbox": 1,
                    "deleted": 1
                },
                "background": true
            }
        ]
    },
    {
        "collection": "messages",
        "indexes": [
            {
                "name": "mailbox_flagged_flag",
                "key": {
                    "mailbox": 1,
                    "flagged": 1
                },
                "background": true
            }
        ]
    },
    {
        "collection": "messages",
        "indexes": [
            {
                "name": "mailbox_draft_flag",
                "key": {
                    "mailbox": 1,
                    "draft": 1
                },
                "background": true
            }
        ]
    },
    {
        "collection": "messages",
        "indexes": [
            {
                "name": "has_attachment",
                "key": {
                    "mailbox": 1,
                    "ha": 1
                },
                "background": true
            }
        ]
    },
    {
        "collection": "messages",
        "indexes": [
            {
                "name": "retention_time",
                "partialFilterExpression": {
                    "exp": true
                },
                "key": {
                    "exp": 1,
                    "rdate": 1
                },
                "background": true
            }
        ]
    },
    {
        "collection": "attachments.files",
        "indexes": [
            {
                "name": "attachment_hash",
                "key": {
                    "metadata.h": 1
                },
                "background": true
            }
        ]
    },
    {
        "collection": "attachments.files",
        "indexes": [
            {
                "name": "related_attachments",
                "key": {
                    "metadata.c": 1,
                    "metadata.m": 1
                },
                "background": true
            }
        ]
    },
    {
        "collection": "journal",
        "indexes": [
            {
                "name": "mailbox_modseq",
                "key": {
                    "mailbox": 1,
                    "modseq": 1
                },
                "background": true
            }
        ]
    },
    {
        "collection": "journal",
        "indexes": [
            {
                "name": "autoexpire",
                "expireAfterSeconds": 21600,
                "key": {
                    "created": 1
                },
                "background": true
            }
        ]
    }
]