declare type CallbackFunctions = {
    [functionName: string]: Function;
};
/**
 * Safely define a window function that would be called by XSplit as a
 * callback handler. In "Safely", we mean, it won't overwrite existing
 * function definitions.
 *
 * @param callbacks   An object where the key is the callback function name and the value is the function definition
 */
export default function registerCallback(callbacks: CallbackFunctions): void;
export {};