/*! (c) 2018, Andrea Giammarchi, (ISC) */
var Flatted=function(a,l){return{parse:function(n,t){var e=JSON.parse(n,i).map(f),r=e[0],u=t||s,c="object"==typeof r&&r?function u(c,f,n,i){return Object.keys(n).reduce(function(n,t){var e=n[t];if(e instanceof a){var r=c[e];"object"!=typeof r||f.has(r)?n[t]=i.call(n,t,r):(f.add(r),n[t]=i.call(n,t,u(c,f,r,i)))}else n[t]=i.call(n,t,e);return n},n)}(e,new Set,r,u):r;return u.call({"":c},"",c)},stringify:function(n,e,t){for(var r,u=new Map,c=[],f=[],i=e&&typeof e==typeof c?function(n,t){if(""===n||-1<e.indexOf(n))return t}:e||s,a=+p(u,c,i.call({"":n},"",n)),o=function(n,t){if(r)return r=!r,t;var e=i.call(this,n,t);switch(typeof e){case"object":if(null===e)return e;case l:return u.get(e)||p(u,c,e)}return e};a<c.length;a++)r=!0,f[a]=JSON.stringify(c[a],o,t);return"["+f.join(",")+"]"}};function s(n,t){return t}function p(n,t,e){var r=a(t.push(e)-1);return n.set(e,r),r}function f(n){return n instanceof a?a(n):n}function i(n,t){return typeof t===l?new a(t):t}}(String,"string");