difftastic/vendored_parsers/tree-sitter-hack/test/cases/declarations/contexts.exp

(script
  (function_declaration
    (identifier)
    (parameters)
    (type_specifier)
    (compound_statement))
  (function_declaration
    (identifier)
    (parameters)
    (capability_list)
    (type_specifier)
    (compound_statement))
  (function_declaration
    (identifier)
    (parameters)
    (capability_list
      (capability
        (identifier)))
    (type_specifier)
    (compound_statement))
  (function_declaration
    (identifier)
    (parameters)
    (capability_list
      (capability
        (identifier))
      (capability
        (identifier))
      (capability
        (identifier)))
    (type_specifier)
    (compound_statement))
  (function_declaration
    (identifier)
    (parameters)
    (capability_list
      (capability
        (identifier)
        (type_parameters
          (type_parameter
            (identifier)))))
    (type_specifier)
    (compound_statement
      (throw_statement
        (new_expression
          (qualified_identifier
            (identifier))
          (arguments))))))