//>>built
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b+a};c.substitute=function(a,b,d,c){c=c||h.global;d=d?e.hitch(c,d):function(a){return a};return a.replace(/\$\{([^\s\:\}]*)(?:\:([^\s\:\}]+))?\}/g,function(a,f,g){if(""==f)return"$";a=e.getObject(f,!1,b);g&&(a=e.getObject(g,!1,c).call(c,a,f));g=d(a,f);if("undefined"===typeof g)throw Error('string.substitute could not find key "'+f+'" in template');return g.toString()})};c.trim=String.prototype.trim?e.trim:function(a){a=a.replace(/^\s+/,"");for(var b=a.length-1;0<=b;b--)if(/\S/.test(a.charAt(b))){a=
a.substring(0,b+1);break}return a};return c});