/**
 * Items for weighted rotation require an id and a weight.
 * @private
 */

/**
 * Because we need to modify weights, these will be created for each weighted item during
 * selection. Not exposed outside WeightedRotation.ts
 * @private
 */

/**
 * Selects an item from a list, using weighting and enforced rotation.
 * @param {WeightedItem[]} itemList The list of items to choose from.
 * @param {Function} validCheck Function to see if an individual item is valid.
 * @param {Object} [usedDict] Dictionary of used items, passed in by reference. If null, enforced
 *                            rotation is not used.
 * @private
 */

/**
 * Selects an item from a list, using weighting and enforced rotation (if usedDict is passed in).
 * Is not exposed otuside of WeightedRotation.ts
 * @param {WeightedItem[]} items The list of items to choose from.
 * @param {WeightedItem[]} usedItems List of already used items, to add to if needed
 * @param {Object} [usedDict] Dictionary of used items, passed in by reference. If null, enforced
 *                            rotation is not used.
 * @private
 */