| root ::= object | |
| object ::= " {" ws ( string ":" ws value ("," ws string ":" ws value)* )? ws "}" | |
| value ::= object | array | string | number | ("true" | "false" | "null") ws | |
| array ::= "[" ws ( value ("," ws value)* )? "]" ws | |
| string ::= "\"" [a-zA-Z0-9]* "\"" ws | |
| number ::= ("-" ws | |
| ws ::= ([ \t\n] ws)? | |