function moveSinksRight(nodes, maxDepth) {
    each$1(nodes, function (node) {
        if (!isNodeDepth(node) && !node.outEdges.length) {
            node.setLayout({depth: maxDepth}, true);
        }
    });
}
Change the y-position of the nodes, except most the right side nodes

@param {Array.<Array.<module:echarts/data/Graph~Node>>} nodesByBreadth
    group by the array of all sankey nodes based on the node x-position.
@param {number} alpha  parameter used to adjust the nodes y-position