(arrow_function (formal_parameters) @context.params ) @context (function_declaration (formal_parameters) @context.params ) @context (function (formal_parameters) @context.params ) @context (generator_function_declaration (formal_parameters) @context.params ) @context [ (call_expression) (class_declaration) (else_clause) (for_statement) ; (interface_declaration) ; not usable in javascript (lexical_declaration) (method_definition) (object) (pair) (while_statement) (switch_statement) (switch_case) ] @context