export const holder = new WeakMap();
export const rootInstanceSymbol = Symbol('rootInstance');
/**
 * Register an object as a root instance.
 *
 * @param  {object} object An object to associate with root instance flag.
 */ export function registerAsRootInstance(object) {
    holder.set(object, true);
}
/**
 * Check if the source of the root indication call is valid.
 *
 * @param  {symbol} rootSymbol A symbol as a source of truth.
 * @returns {boolean}
 */ export function hasValidParameter(rootSymbol) {
    return rootSymbol === rootInstanceSymbol;
}
/**
 * Check if passed an object was flagged as a root instance.
 *
 * @param  {object} object An object to check.
 * @returns {boolean}
 */ export function isRootInstance(object) {
    return holder.has(object);
}
