[keys] if any and value othervise.
import asdf; auto text = `{"foo":"bar","inner":{"a":true,"b":false,"c":"32323","d":null,"e":{}}}`; auto root = AsdfNode(text.parseJson); auto value = AsdfNode(`false`.parseJson); assert(root.get(value, "inner", "a").data == true); assert(root.get(value, "inner", "f").data == false);