模式/filter group

filter_group:
object
{
    enumerated_value "test"
    enumerated_value "subject"<"block","damager","other","parent","player","self","target"> : opt
    enumerated_value "operator"<"!=","<","<=","<>","=","==",">",">=","equals","not"> : opt
    int "value"
    float "value"
    string "value"
    enumerated_value "value"
    bool "value"
}