MODULE@0..17
  VAR_DECL@0..16
    IDENT@0..3 "let"
    WHITESPACE@3..4 " "
    DECLARATOR@4..16
      SINGLE_PATTERN@4..5
        NAME@4..5
          IDENT@4..5 "a"
      WHITESPACE@5..6 " "
      EQ@6..7 "="
      WHITESPACE@7..8 " "
      OBJECT_EXPR@8..16
        L_CURLY@8..9 "{"
        SPREAD_PROP@9..15
          DOT2@9..12 "..."
          NAME_REF@12..15
            IDENT@12..15 "foo"
        R_CURLY@15..16 "}"
  WHITESPACE@16..17 "\n"