package com.google.android.gms.internal.p002firebaseauthapi;

/* JADX INFO: loaded from: classes3.dex */
public abstract class zzf {
    public int zza(CharSequence charSequence, int i6) {
        int length = charSequence.length();
        zzw.zza(i6, length, "index");
        while (i6 < length) {
            if (zza(charSequence.charAt(i6))) {
                return i6;
            }
            i6++;
        }
        return -1;
    }

    public abstract boolean zza(char c6);
}