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orm for lua5.3.0(add new metamethod __oldindex), support:

• custom define class and ref
• data type: string, int, float, struct, map, list
• extend checker: required, default, min, max, set, unset

DSL for query condition, support:

• logic operations: =, <, <=, > , >=, in, range, regex, has, or, not, and
• convert rule to mongo query