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Testing / TOSCA Engines

Brief the EBNF notation in TOSCA Query Language.

|logical OR ( Example: b | c either b or c)
[...]Square brackets represent an option.
(...)Parentheses are used to group expressions. The content must be used exactly once.
{...} Curly brackets represent an iteration.
'...' Marks a text which must be taken word-by-word (terminals).

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