public static StringBuilder get(FacesContext context, String key) {
        return get(context, key, 16);
    }
Get a shared {@link StringBuilder} instance.

@param context The {@link FacesContext}
@param key The key for the {@link FacesContext} attributes.
@return The shared {@link StringBuilder} instance
primefaces/src/main/java/org/primefaces/util/SharedStringBuilder.java