Function updatePartiallyEmittedExpression

test/fixtures/snapshot/typescript.js:26550–26554

(node, expression)

        }
        // @api
        function updatePartiallyEmittedExpression(node, expression) {
            return node.expression !== expression
                ? update(createPartiallyEmittedExpression(expression, node.original), node)
                : node;
        }
        function flattenCommaElements(node) {
            if (ts.nodeIsSynthesized(node) && !ts.isParseTreeNode(node) && !node.original && !node.emitNode && !node.id) {
                if (ts.isCommaListExpression(node)) {