export declare namespace Constants {
    /**
     * Number of days to go back when fetching activity/events
     * to build notifications out of for the Activity Tab
     */
    const ACTIVITY_DAYS_THRESHOLD = 3;
    const AUTH_HEADER_KEY = "x-access-token";
    const PLAYER_GRAD_YEARS: number[];
    const PLAYER_POSITIONS: string[];
    const VALID_WEIGHTS_LB: number[];
    const VALID_HEIGHTS_IN: number[];
    const VALID_STATES: {
        'abbr': string;
        'name': string;
    }[];
    const YOUTUBE_LINK_REGEX: RegExp;
    const PASSWORD_REGEX: RegExp;
    const USER_NAME_REGEX: RegExp;
    const MAX_COMMENT_CHARS = 250;
    const MAX_PLAY_CAPTION_CHARS = 100;
    const MAINSTREAM_STREAM_ID = "mainstream";
}