/**
 * @typedef {import('../jsDoc.mjs').UsernameRegexTemplate} UsernameRegexTemplate
 */
export type UsernameRegexTemplate = import('../jsDoc.mjs').UsernameRegexTemplate;
/**
 * Matrix Protocol (matrix.org)
 * Official Documentation: https://spec.matrix.org/latest/appendices/#identifier-grammar
 */
declare const MatrixProtocolRegex: Readonly<{
    /**
     * User ID
     * Format: @localpart:domain
     * @type {UsernameRegexTemplate}
     */
    userName: UsernameRegexTemplate;
    /**
     * Room Alias (Human-readable alias)
     * Format: #alias:domain
     * @type {UsernameRegexTemplate}
     */
    roomName: UsernameRegexTemplate;
    /**
     * Room ID (Internal and immutable ID)
     * Format: !opaque_id:domain
     * @type {UsernameRegexTemplate}
     */
    roomId: UsernameRegexTemplate;
    /**
     * Event ID (Event/message identifier)
     * Format v1/v2: $opaque_id:domain
     * Format v3+: $Base64String (without the domain at the end)
     * @type {UsernameRegexTemplate}
     */
    eventId: UsernameRegexTemplate;
    /**
     * Group/Space ID (Legacy/Communities)
     * Format: +group_id:domain
     * @type {UsernameRegexTemplate}
     */
    groupId: UsernameRegexTemplate;
    /**
     * Matrix.to Permalink
     * Format: https://matrix.to/#/@user:domain or matrix.to/#/!room:domain
     * Supports optional event IDs and query parameters (like ?via=server.org)
     * @type {UsernameRegexTemplate}
     */
    matrixToLink: UsernameRegexTemplate;
    /**
     * Matrix URI Scheme (RFC 8922)
     * Format: matrix:u/user:domain or matrix:roomid/room:domain
     * @type {UsernameRegexTemplate}
     */
    matrixUri: UsernameRegexTemplate;
    /**
     * HTML Mention
     * Format: <a href="https://matrix.to/#/@user:domain">User Name</a>
     * Matches standard formatted mentions sent by Matrix clients inside HTML bodies.
     * @type {UsernameRegexTemplate}
     */
    htmlMention: UsernameRegexTemplate;
    /**
     * Matrix Content URI (Media)
     * Format: mxc://server-name/media-id
     * Used for avatars, images, and file attachments in the Matrix network.
     * @type {UsernameRegexTemplate}
     */
    mxcUri: UsernameRegexTemplate;
}>;
export default MatrixProtocolRegex;
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