[builder] added a feature: you can now configure builder class name via the config system

test/transform/resource/after-ecj/BuilderCustomName.java

@@ -0,0 +1,37 @@
+import java.util.List;
+@lombok.experimental.SuperBuilder class BuilderCustomName<T> {
+  public static abstract @java.lang.SuppressWarnings("all") class SimpleTestBuilder<T, C extends BuilderCustomName<T>, B extends SimpleTestBuilder<T, C, B>> {
+    private @java.lang.SuppressWarnings("all") int field;
+    public SimpleTestBuilder() {
+      super();
+    }
+    protected abstract @java.lang.SuppressWarnings("all") B self();
+    public abstract @java.lang.SuppressWarnings("all") C build();
+    public @java.lang.SuppressWarnings("all") B field(final int field) {
+      this.field = field;
+      return self();
+    }
+    public @java.lang.Override @java.lang.SuppressWarnings("all") java.lang.String toString() {
+      return (("BuilderCustomName.SimpleTestBuilder(field=" + this.field) + ")");
+    }
+  }
+  private static final @java.lang.SuppressWarnings("all") class SimpleTestBuilderImpl<T> extends SimpleTestBuilder<T, BuilderCustomName<T>, SimpleTestBuilderImpl<T>> {
+    private SimpleTestBuilderImpl() {
+      super();
+    }
+    protected @java.lang.Override @java.lang.SuppressWarnings("all") SimpleTestBuilderImpl<T> self() {
+      return this;
+    }
+    public @java.lang.Override @java.lang.SuppressWarnings("all") BuilderCustomName<T> build() {
+      return new BuilderCustomName<T>(this);
+    }
+  }
+  private final int field;
+  protected @java.lang.SuppressWarnings("all") BuilderCustomName(final SimpleTestBuilder<T, ?, ?> b) {
+    super();
+    this.field = b.field;
+  }
+  public static @java.lang.SuppressWarnings("all") <T>SimpleTestBuilder<T, ?, ?> builder() {
+    return new SimpleTestBuilderImpl<T>();
+  }
+}