This is a regression test for #70519, in which the ellipsis
of a variadic call would go missing after split/join lines.

-- go.mod --
module example.com
go 1.18

-- a/a.go --
package a

var a, b, c []any
func f(any, any, ...any)

func _() {
	f(a, b, c...) //@codeaction("a", "refactor.rewrite.splitLines", result=split)

	f(
		a,
		b,
		c..., /*@codeaction("c", "refactor.rewrite.joinLines", result=joined)*/
	)
}

-- @split/a/a.go --
package a

var a, b, c []any
func f(any, any, ...any)

func _() {
	f(
		a,
		b,
		c...,
	) //@codeaction("a", "refactor.rewrite.splitLines", result=split)

	f(
		a,
		b,
		c..., /*@codeaction("c", "refactor.rewrite.joinLines", result=joined)*/
	)
}

-- @joined/a/a.go --
package a

var a, b, c []any
func f(any, any, ...any)

func _() {
	f(a, b, c...) //@codeaction("a", "refactor.rewrite.splitLines", result=split)

	f(a, b, c..., /*@codeaction("c", "refactor.rewrite.joinLines", result=joined)*/)
}

