package com.kwad.sdk.glide.c; import com.kwad.sdk.glide.load.c; import java.security.MessageDigest; public final class a implements c { private static final a bsh = new a(); private a() { } public static a US() { return bsh; } public final String toString() { return "EmptySignature"; } @Override // com.kwad.sdk.glide.load.c public final void updateDiskCacheKey(MessageDigest messageDigest) { } }