DOMSelection

void addRange(
    in Range range); 

void collapse(
    in Node node,
    in long index) raises(DOMException); 

void collapseToEnd(); 

void collapseToStart(); 

boolean containsNode(
    in Node node,
    in boolean allowPartial); 

void deleteFromDocument(); 

void empty(); 

void extend(
    in Node node,
    in long offset) raises(DOMException); 

Range getRangeAt(
    in long index) raises(DOMException); 

void modify(
    in DOMString alter,
    in DOMString direction,
    in DOMString granularity); 

void removeAllRanges(); 

void selectAllChildren(
    in Node node) raises(DOMException); 

void setBaseAndExtent(
    in Node baseNode,
    in long baseOffset,
    in Node extentNode,
    in long extentOffset) raises(DOMException); 

void setPosition(
    in Node node,
    in long offset) raises(DOMException); 

DOMString toString(); 

readonly attribute Node anchorNode; 

readonly attribute long anchorOffset; 

readonly attribute Node baseNode; 

readonly attribute long baseOffset; 

readonly attribute Node extentNode; 

readonly attribute long extentOffset; 

readonly attribute Node focusNode; 

readonly attribute long focusOffset; 

readonly attribute boolean isCollapsed; 

readonly attribute long rangeCount; 

readonly attribute DOMString type;