[
(function_definition)
(compound_statement)
(subshell)
(test_command)
(subscript)
(parenthesized_expression)
(array)
(expansion)
(command_substitution)
] @rainbow.scope
"(" ")"
"((" "))"
"${" "$("
"{" "}"
"[" "]"
"[[" "]]"
] @rainbow.bracket