src/vs/editor/common/model/bracketPairsTextModelPart/bracketPairsTree/ast.ts/PairAstNode/children
class PairAstNode:	public get children() {
		const result = new Array<AstNode>();
		result.push(this.openingBracket);
		if (this.child) {
			result.push(this.child);
		}
		if (this.closingBracket) {
			result.push(this.closingBracket);
		}
		return result;
	}