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/// <reference path="fourslash.ts" />
//// type MixinCtor<A, B> = new () => A & B & { constructor: MixinCtor<A, B> };
//// function merge<A, B>(a: { prototype: A }, b: { prototype: B }): MixinCtor<A, B> {
//// let merged = function() { }
//// Object.assign(merged.prototype, a.prototype, b.prototype);
//// return <MixinCtor<A, B>><any>merged;
//// }
////
//// class TreeNode {
//// value: any;
//// }
////
//// abstract class LeftSideNode extends TreeNode {
//// abstract right(): TreeNode;
//// left(): TreeNode {
//// return null;
//// }
//// }
////
//// abstract class RightSideNode extends TreeNode {
//// abstract left(): TreeNode;
//// right(): TreeNode {
//// return null;
//// };
//// }
////
//// var obj = new (merge(LeftSideNode, RightSideNode))();
//// obj./**/
verify.completions({ marker: "", exact: ["right", "left", "value", "constructor"] });
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