in core/src/main/java/com/facebook/ktfmt/format/KotlinInputAstVisitor.kt [1115:1125]
override fun visitReturnExpression(expression: KtReturnExpression) {
builder.sync(expression)
builder.token("return")
visit(expression.getTargetLabel())
val returnedExpression = expression.returnedExpression
if (returnedExpression != null) {
builder.space()
visit(returnedExpression)
}
builder.guessToken(";")
}