src/sys/tools/cs/tests/meta/tree/bar.cml

// 'bar' is a component with exactly one child 'baz'
// See README.md for the exact tree structure
{
    children: [
        {
            name: "baz",
            url: "fuchsia-pkg://fuchsia.com/cs-tests#meta/baz.cm",
            startup: "eager",
        },
    ],
}