docs: function addBuiltMethods() {
          var opts = {}, type;
  
          fnPackage.node.body.body.forEach(function(node) {
            if (isPrototypeBlock(node)) {
              type = 'prototype';
              opts.target = node.expression.arguments[0].name;
            }
            if (isMethodBlock(node) && hasStaticToken(node.expression.callee.name)) {
              type = 'static';
            }
          });
  
          // If no special types were defined, then the
          // build function is simply defining instance types.
          if (!type) {
            type = 'instance';
          }
  
          checkPackageForBuiltMethods(fnPackage, type, opts);
        }