221 Compressor.prototype.option = function(key) {  argument
4242                     key: prop,  property
4889                         key: key,  property
4958         Object.keys(obj).forEach(function(key) {  argument
8094                     }).forEach(function(key, index) {  argument
8117                                                 key: mapped.key,  property
8156                                 key: prop.key,  property
8435               case true:  field
8564             function make_sym(type, sym, key) {  argument
8943                             key: make_sequence(self, exprs),  property
8949                         key: exprs.length ? make_sequence(self, exprs) : "c",  property
8953                     key: make_sequence(self, exprs),  property
10832                                     key: key,  property
10840                             key: make_sequence(node, side_effects),  property
13501     AST_PropAccess.DEFMETHOD("flatten_object", function(key, compressor) {  argument
13642                         key: key,  property
13663             keys.forEach(function(key) {  argument
13674                     key: props[0].key,  property