package o; /* renamed from: o.glu, reason: case insensitive filesystem */ /* loaded from: classes6.dex */ public final class C15266glu { public static boolean b(CharSequence charSequence) { if (charSequence == null) { return true; } for (int i = 0; i < charSequence.length(); i++) { if (!Character.isWhitespace(charSequence.charAt(i))) { return false; } } return true; } }