import com.sun.tools.javac.tree.DCTree.DCStartElement; //导入依赖的package包/类
private int diffStartElement(DCDocComment doc, DCStartElement oldT, DCStartElement newT, int[] elementBounds) {
    int localpointer = oldT.attrs.isEmpty()? elementBounds[1] - 1 : getOldPos(oldT.attrs.get(0), doc);
    if(oldT.name.equals(newT.name)) {
        copyTo(elementBounds[0], localpointer);
    } else {
        printer.print("<");
        printer.print((Name) newT.name);
    }
    localpointer = diffList(doc, oldT.attrs, newT.attrs, localpointer, Measure.DOCTREE);
    if(localpointer < elementBounds[1]) {
        copyTo(localpointer, elementBounds[1]);
    }
    return elementBounds[1];
}
 

import com.sun.tools.javac.tree.DCTree.DCStartElement; //导入依赖的package包/类
protected boolean isSentenceBreak(DCTree t) {
    switch (t.getKind()) {
        case START_ELEMENT:
            return isSentenceBreak(((DCStartElement) t).getName());

        case END_ELEMENT:
            return isSentenceBreak(((DCEndElement) t).getName());
    }
    return false;
}
 

import com.sun.tools.javac.tree.DCTree.DCStartElement; //导入依赖的package包/类
@Override @DefinedBy(Api.COMPILER_TREE)
public DCStartElement newStartElementTree(Name name, List<? extends DocTree> attrs, boolean selfClosing) {
    DCStartElement tree = new DCStartElement(name, cast(attrs), selfClosing);
    tree.pos = pos;
    return tree;
}