return {
    uri = "pas:Anything",
    label = "Anything",
    description = "Superclass of every resource type in the system.",
    abstract = true,

    properties = {
        source_path = {
            uri = "pas:sourcePath",
            label = "Source path",
            description =
                "Path of the resource at deposit time, relative to the SIP \z
                root.",
            type = "string",
            max_cardinality = 1,
            system = true,
        },
        content_type = {
            uri = "pas:contentType",
            label = "Content type",
            type = "resource",
            min_cardinality = 1,
            max_cardinality = 1,
            system = true,
        },
        --[[
        id = {
            uri = "pas:id",
            label = "Primary ID",
            type = "string",
            min_cardinality = 1,
            max_cardinality = 1,
        },
        --]]
        sub_id = {
            uri = "pas:submissionID",
            label = "Submission ID",
            description = "Unique ID for the submission that the resource \z
                was created or updated in.",
            type = "resource",
            min_cardinality = 1,
            system = true,
        },
        label = {
            uri = "dc:title",
            label = "Title",
            type = "string",
            max_cardinality = 1,
        },
        submitted = {
            uri = "dc:dateSubmitted",
            label = "Submitted On",
            type = "datetime",
            min_cardinality = 1,
            max_cardinality = 1,
            system = true,
        },
        last_modified = {
            uri = "dc:modified",
            label = "Last Updated On",
            type = "datetime",
            min_cardinality = 1,
            max_cardinality = 1,
            system = true,
        },
    },
}