# The CLI appends parameters and call arguments after existing multiline trailing commas without creating invalid comma layouts.
exec semedit refactor-change-signature --file service.go --symbol transform --parameters '[{"source_index":0,"parameter":{"name":"id","type":"int"}},{"parameter":{"name":"enabled","type":"bool"},"argument":"true"}]'
cmp service.go .scratch/want/service.txt
cmp caller.go .scratch/want/caller.txt
exec go test ./...
-- go.mod --
module example.com/signaturetrailing

go 1.24
-- service.go --
package sample

func transform(
	id int,
) bool {
	return id > 0
}
-- caller.go --
package sample

func run() bool {
	return transform(
		1,
	)
}
-- .scratch/want/service.txt --
package sample

func transform(
	id int, enabled bool,
) bool {
	return id > 0
}
-- .scratch/want/caller.txt --
package sample

func run() bool {
	return transform(
		1, true,
	)
}