test.java.file
  SWITCH_LABELED_RULE
    CASE_KEYWORD
    WHITE_SPACE
    CASE_LABEL_ELEMENT_LIST
      LITERAL_EXPRESSION
        NULL_KEYWORD
    WHITE_SPACE
    ARROW
    WHITE_SPACE
    BLOCK_STATEMENT
      CODE_BLOCK
        LBRACE
        WHITE_SPACE
        RBRACE