Build fixing intensifies

Also fixes a bug in Configs where the default template was marked as nullable but would crash if null

build.gradle

@@ -101,6 +101,9 @@ allprojects {
 		modImplementation("com.github.minecraft-cursed-legacy:cursed-fabric-loader:${project.loader_version}") {
 			transitive false //Avoid leaking Loader's dependencies forwards
 		}
+
+		//For @Nullable and @Nonnull
+		compileOnly 'com.google.code.findbugs:jsr305:3.0.2'
 	}
 
 	sourceSets {

legacy-config-v0/src/main/java/io/github/minecraftcursedlegacy/api/config/Configs.java

@@ -26,8 +26,6 @@
 import java.io.File;
 import java.io.IOException;
 
-import javax.annotation.Nullable;
-
 import io.github.minecraftcursedlegacy.api.registry.Id;
 import net.fabricmc.loader.api.FabricLoader;
 import tk.valoeghese.zoesteriaconfig.api.ZoesteriaConfig;
@@ -44,18 +42,26 @@ private Configs() {
 
 	/**
 	 * Retrieves or creates a new {@link WritableConfig}, based on the given id.
+	 *
 	 * @param configId the identifier of the config.
 	 * @param defaults defaults for the config, which can be created with a builder.
 	 * @return the {@link WritableConfig} instance with the config data in this file.
+	 *
 	 * @throws IOException if there is an error creating the config file.
+	 * @throws NullPointerException if {@code configId} is null
 	 */
-	public static WritableConfig loadOrCreate(Id configId, @Nullable ConfigTemplate defaults) throws IOException {
+	public static WritableConfig loadOrCreate(Id configId, ConfigTemplate defaults) throws IOException {
 		File directory = new File(FabricLoader.getInstance().getConfigDirectory(), configId.getNamespace());
 		directory.mkdirs();
 		File configFile = new File(directory, configId.getName() + ".cfg");
 		boolean createNew = configFile.createNewFile();
 
-		WritableConfig result = ZoesteriaConfig.loadConfigWithDefaults(configFile, defaults);
+		WritableConfig result;
+		if (defaults == null) {
+			result = ZoesteriaConfig.loadConfig(configFile);
+		} else {
+			result = ZoesteriaConfig.loadConfigWithDefaults(configFile, defaults);
+		}
 
 		if (createNew) {
 			result.writeToFile(configFile);