import "time"

foo: bar: "str"

a: B: 42

"a.b": "foo-": cc_dd: x

a: b: c: 3

// references to bar are all shadowed and this can be safely turned into
// an identifier.
bar: "str"

// These references would be directly referred to if turned into an identifier.
// The quotes should therefore not be removed.
"baz1": 3
"baz2": 3
"baz3": 3 // TODO: could be simplified.

// These string labels may be turned into an identifier.
qux:  4
quux: 5

// TODO(legacy): Don't simplify "hidden" fields for now.
"_foo": 3

x: {
	r1: baz1
	bar: r2: bar
	r3:           bar
	E=quux:       3
	r4:           quux
	[baz2="str"]: 4
	r5:           baz2
	[baz3="bar"]: name: baz3 // TODO: treat baz3 as shadowed.
	Time: time.Time
}