src/java.base/share/classes/java/lang/foreign/FunctionDescriptor.java

*** 30,11 ***
  import java.util.Objects;
  import java.util.Optional;
  import java.util.List;
  
  import jdk.internal.foreign.FunctionDescriptorImpl;
- import jdk.internal.javac.PreviewFeature;
  
  /**
   * A function descriptor models the signature of a foreign function. A function descriptor is made up of zero or more
   * argument layouts, and zero or one return layout. A function descriptor is used to create
   * {@linkplain Linker#downcallHandle(MemorySegment, FunctionDescriptor, Linker.Option...) downcall method handles} and
--- 30,10 ---

*** 42,13 ***
   *
   * @implSpec
   * Implementing classes are immutable, thread-safe and <a href="{@docRoot}/java.base/java/lang/doc-files/ValueBased.html">value-based</a>.
   *
   * @see MemoryLayout
!  * @since 19
   */
- @PreviewFeature(feature=PreviewFeature.Feature.FOREIGN)
  public sealed interface FunctionDescriptor permits FunctionDescriptorImpl {
  
      /**
       * {@return the return layout (if any) of this function descriptor}
       */
--- 41,12 ---
   *
   * @implSpec
   * Implementing classes are immutable, thread-safe and <a href="{@docRoot}/java.base/java/lang/doc-files/ValueBased.html">value-based</a>.
   *
   * @see MemoryLayout
!  * @since 22
   */
  public sealed interface FunctionDescriptor permits FunctionDescriptorImpl {
  
      /**
       * {@return the return layout (if any) of this function descriptor}
       */