[antlr-interest] Antlr v2 AST -> v3 AST

[chain one]

Sorry for the wide distribution, I am newbie to ANTLR.
I found a V2 AST rule.
logical_literal
              : 'false'  { $logical_literal = $([LOGICAL_LITERAL,
'LOGICAL_LITERAL'], $logical_literal); };

Is it correct to translate this rule to the following RULE in V3?

logical_literal
:  'false'  -> ^(LOGICAL_LITERAL[],$logical_literal);
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