cnd ::= ns_mapping* node_type_def+ ns_mapping ::= "<" prefix "=" namespace ">" prefix ::= string namespace ::= string node_type_def ::= node_type_name [super_types] [options] {property_def | node_def} node_type_name ::= "[" string "]" super_types ::= ">" string_list options ::= orderable_opt | mixin_opt | orderable_opt mixin_opt | mixin_opt orderable_opt orderable_opt ::= "orderable" | "ord" | "o" mixin_opt ::= "mixin" | "mix" | "m" property_def ::= "-" property_name [property_type_decl] [default_values] [attributes] [value_constraints] property_name ::= string property_type_decl ::= "(" property_type ")" property_type ::= "STRING" | "String |"string" | "BINARY" | "Binary" | "binary" | "LONG" | "Long" | "long" | "DOUBLE" | "Double" | "double" | "BOOLEAN" | "Boolean" | "boolean" | "DATE" | "Date" | "date" | "NAME | "Name | "name | "PATH" | "Path" | "path" | "REFERENCE" | "Reference" | "reference" | "UNDEFINED" | "Undefined" | "undefined" | "*" default_values ::= "=" string_list value_constraints ::= "<" string_list node_def ::= "+" node_name [required_types] [default_type] [attributes] node_name ::= string required_types ::= "(" string_list ")" default_type ::= "=" string attributes ::= "primary" | "pri" | "!" | "autocreated" | "aut" | "a" | "mandatory" | "man" | "m" | "protected" | "pro" | "p" | "multiple" | "mul" | "*" | "COPY" | "Copy" | "copy" | "VERSION" | "Version" | "version" | "INITIALIZE" | "Initialize" | "initialize" | "COMPUTE" | "Compute" | "compute" | "IGNORE" | "Ignore" | "ignore" | "ABORT" | "Abort" | "abort" string_list ::= string {"," string} string ::= quoted_string | unquoted_string quoted_string :: = "'" unquoted_string "'" unquoted_string ::= [A-Za-z0-9:_]+
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