}
      StringBuilder signature =
          new StringBuilder()
              .append(typeName(method.getReturnType()))
              .append(" ")
              .append(method.getName())
              .append("(");
      String sep = "";
      for (Class<?> param : method.getParameterTypes()) {
        signature.append(sep).append(typeName(param));
        sep = ", ";
      }
      methods.add(signature.append(")").toString());

- Fix issues where server side apply patches operations incorrectly treat empty arrays and maps as absent.
  Fix issue where client-go's `Extract{TypeName}()` and `Extract{TypeName}From() functions incorrectly treat empty arrays and maps as absent.

A type may also be specified using a <i>type literal</i>, which composes a type
from existing types.
</p>

<pre class="ebnf">
Type     = TypeName [ TypeArgs ] | TypeLit | "(" Type ")" .
TypeName = identifier | QualifiedIdent .
TypeArgs = "[" TypeList [ "," ] "]" .
TypeList = Type { "," Type } .
TypeLit  = ArrayType | StructType | PointerType | FunctionType | InterfaceType |