MCCustomSkinLoader/Fabric/source/net/minecraft/client/texture/PlayerSkinProvider.java

package net.minecraft.client.texture;

import java.util.Map;

import com.mojang.authlib.GameProfile;
import com.mojang.authlib.minecraft.MinecraftProfileTexture;
import net.minecraft.client.resources.SkinManager;
import net.minecraft.util.ResourceLocation;

public class PlayerSkinProvider {
    public ResourceLocation loadSkin(MinecraftProfileTexture profileTexture, MinecraftProfileTexture.Type textureType, SkinManager.SkinAvailableCallback skinAvailableCallback) {
        return null;
    }

    public void loadSkin(GameProfile profile, SkinManager.SkinAvailableCallback skinAvailableCallback, boolean requireSecure) {
    }

    public Map<MinecraftProfileTexture.Type, MinecraftProfileTexture> getTextures(GameProfile profile) {
        return null;
    }
}