type t = Dom.selection;
let anchorNode: t => option(Dom.node);let anchorOffset: t => int;let focusNode: t => option(Dom.node);let focusOffset: t => int;let isCollapsed: t => bool;let rangeCount: t => int;let getRangeAt: int => t => Dom.range;let collapse: Dom.node_like(_) => int => t => unit;let extend: Dom.node_like(_) => int => t => unit;let collapseToStart: t => unit;let collapseToEnd: t => unit;let selectAllChildren: Dom.node_like(_) => t => unit;let setBaseAndExtent: Dom.node_like(_) => int => Dom.node_like(_) => int => t => unit;let addRange: Dom.range => t => unit;let removeRange: Dom.range => t => unit;let removeAllRanges: t => unit;let deleteFromDocument: t => unit;let toString: t => string;let containsNode: Dom.node_like(_) => t => bool;let containsNodePartly: Dom.node_like(_) => t => bool;