Which method declaration below has a method signature different than the method below?

private static int ProcessInput$($int a$,$ double b$,$ int c$)$

private static int ProcessInput$($int b$,$ double a$,$ int c$)$

private static double ProcessInput$($int $a,$ double $b,$ int $c)$

public static int ProcessInput$($int a$,$ double b$,$ int c$)$

private static int ProcessInput$($double $a,$ int $b,$ int $c)$