/**
 * Turn an MXC URL into an HTTP one. <strong>This method is experimental and
 * may change.</strong>
 * @param mxcUrl - The MXC URL
 * @param width - The desired width of the thumbnail.
 * @param height - The desired height of the thumbnail.
 * @param resizeMethod - The thumbnail resize method to use, either
 * "crop" or "scale".
 * @param allowDirectLinks - If true, return any non-mxc URLs
 * directly. Fetching such URLs will leak information about the user to
 * anyone they share a room with. If false, will return null for such URLs.
 * @returns the avatar URL or null.
 */
export declare function mxcUrlToHttp(baseUrl: string, mxcUrl: string, width?: number, height?: number, resizeMethod?: string, allowDirectLinks?: boolean): string | null;