export declare namespace Util {
    /**
     * An UUID string, e.g. `0297b381-6319-417b-a4f8-2ca1f2a96a81`
     *
     * @category Notion Common
     */
    type UUID = string;
    /**
     * An Unix timestamp number in milliseconds.
     *
     * @category Notion Common
     */
    type TimestampNumber = number;
    /**
     * An Unix timestamp string in milliseconds.
     *
     * @category Notion Common
     */
    type TimestampString = string;
    /**
     * TZ database name in "*Area/Location*" format, e.g. "Asia/Taipei".
     *
     * @see https://en.wikipedia.org/wiki/List_of_tz_database_time_zones
     *
     * @category Notion Common
     */
    type TimeZone = string;
    /**
     * A decimal between and including 0 and 1.
     *
     * @category Notion Common
     */
    type Proportion = number;
    /**
     * A publicly accessible URL.
     *
     * @category Notion Common
     */
    type PublicUrl = string;
    /**
     * A path relative to `www.notion.so`,
     * e.g. `/images/page-cover/gradients_10.jpg`.
     *
     * @category Notion Common
     */
    type NotionRelativePath = string;
    /**
     * An URL starting with
     * `https://s3-us-west-2.amazonaws.com/secure.notion-static.com/`.
     * Must be authenticated before access.
     *
     * @category Notion Common
     */
    type NotionSecureUrl = string;
    /**
     * A string containing exactly one emoji character.
     *
     * @category Notion Common
     */
    type Emoji = string;
    /**
     * Color names.
     *
     * @category Notion Common
     */
    type NotionColor = "gray" | "brown" | "orange" | "yellow" | "teal" | "blue" | "purple" | "pink" | "red" | "gray_background" | "brown_background" | "orange_background" | "yellow_background" | "teal_background" | "blue_background" | "purple_background" | "pink_background" | "red_background";
    /**
     * Record table names.
     *
     * @category Notion Common
     */
    type Table = "block" | "collection" | "collection_view" | "notion_user" | "user_root" | "user_settings" | "space" | "space_view" | "activity" | "snapshot" | "follow" | "slack_integration" | "comment" | "discussion";
}
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