Revert "improvement: rename package to filepath (#12)"

This reverts commit 69a1979.

fern-api-java-types/src/main/java/com/fern/IWithPackage.java

@@ -0,0 +1,8 @@
+package com.fern;
+
+import java.util.Optional;
+
+interface IWithPackage {
+
+    Optional<String> _package();
+}

fern-api-java-types/src/main/java/com/fern/NamedTypeReference.java

@@ -7,11 +7,11 @@
 @Value.Immutable
 @StagedBuilderStyle
 @JsonDeserialize(as = ImmutableNamedTypeReference.class)
-public interface NamedTypeReference extends IWithFilepath {
+public interface NamedTypeReference extends IWithPackage {
 
     String name();
 
-    static ImmutableNamedTypeReference.FilepathBuildStage builder() {
+    static ImmutableNamedTypeReference.NameBuildStage builder() {
         return ImmutableNamedTypeReference.builder();
     }
 }

fern-api-java-types/src/main/java/com/fern/WithPackage.java

@@ -0,0 +1,15 @@
+package com.fern;
+
+import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
+import com.fern.immutables.StagedBuilderStyle;
+import org.immutables.value.Value;
+
+@Value.Immutable
+@StagedBuilderStyle
+@JsonDeserialize(as = ImmutableWithPackage.class)
+public interface WithPackage extends IWithPackage {
+
+    static ImmutableWithPackage.Builder builder() {
+        return ImmutableWithPackage.builder();
+    }
+}

fern-api-java-types/src/main/java/com/fern/test/Main.java

@@ -0,0 +1,16 @@
+package com.fern.test;
+
+import com.fern.HttpRequest;
+import com.fern.NamedTypeReference;
+import com.fern.TypeReference;
+
+public class Main {
+
+    public static void main(String... args) {
+        HttpRequest.builder()
+                .bodyType(TypeReference.named(NamedTypeReference.builder()
+                        .name("")
+                        .build()))
+                .build();
+    }
+}

fern-api/fern.yml

@@ -22,13 +22,13 @@ WithDocs:
     docs: optional<string>
 
 NamedTypeReference:
-  extends: WithFilepath
+  extends: WithPackage
   fields:
     name: string
 
-WithFilepath:
+WithPackage:
   fields:
-    filepath: string
+    package: string
 
 Type:
   union:
@@ -105,7 +105,7 @@ Services:
 
 BaseService:
   extends:
-    - WithFilepath
+    - WithPackage
     - WithDocs
   fields:
     name: string