MODULE@0..14
  VAR_DECL@0..13
    IDENT@0..3 "let"
    WHITESPACE@3..4 " "
    DECLARATOR@4..13
      SINGLE_PATTERN@4..5
        NAME@4..5
          IDENT@4..5 "b"
      WHITESPACE@5..6 " "
      EQ@6..7 "="
      WHITESPACE@7..8 " "
      OBJECT_EXPR@8..13
        L_CURLY@8..9 "{"
        IDENT_PROP@9..12
          NAME@9..12
            IDENT@9..12 "foo"
        R_CURLY@12..13 "}"
  WHITESPACE@13..14 "\n"