public static final String TEXT_BOX = "text_box";
public static final String BLOCK_BOX = "block_box";
public static final String BLOCK_TABLE_BOX = "block_table_box";
public static final String INLINE_BOX = "inline_box";
public static final String INLINE_REPLACED_BOX = "inline_replaced_box";
<BUG>public static final String BLOCK_REPLACED_BOX = "block_replaced_box";
public static final String VIEWPORT = "viewport";</BUG>
public static final String DELEGATE = "delegate";
public static final String LIST_ITEM_BOX = "list_item_box";
public static final String TABLE_BOX = "table_box";

public static final String TEXT_BOX = "text_box";
public static final String BLOCK_BOX = "block_box";
public static final String BLOCK_TABLE_BOX = "block_table_box";
public static final String INLINE_BOX = "inline_box";
public static final String INLINE_REPLACED_BOX = "inline_replaced_box";
public static final String BLOCK_REPLACED_BOX = "block_replaced_box";
public static final String INLINE_BLOCK_REPLACED_BOX = "inline_block_replaced_box";
public static final String VIEWPORT = "viewport";
public static final String DELEGATE = "delegate";
public static final String LIST_ITEM_BOX = "list_item_box";
public static final String TABLE_BOX = "table_box";
