assertTrue(Thread.holdsLock(mutex));
      return delegate.removeLastOccurrence(o);
    }

    @Override
    public void push(E e) {
      assertTrue(Thread.holdsLock(mutex));
      delegate.push(e);
    }

    @Override
    public E pop() {
      assertTrue(Thread.holdsLock(mutex));
      return delegate.pop();
    }

    @Override

name: "Validate Gradle Wrapper"
on: [push, pull_request]

permissions:
  contents: read

jobs:
  validation:
    name: "Validation"
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b # v4.1.4

@DoNotMock("Use ImmutableList.of or another implementation")
@GwtCompatible(emulated = true)
@SuppressWarnings("serial") // we're overriding default serialization
@ElementTypesAreNonnullByDefault
// TODO(kevinb): I think we should push everything down to "BaseImmutableCollection" or something,
// just to do everything we can to emphasize the "practically an interface" nature of this class.

@DoNotMock("Use ImmutableList.of or another implementation")
@GwtCompatible(emulated = true)
@SuppressWarnings("serial") // we're overriding default serialization
@ElementTypesAreNonnullByDefault
// TODO(kevinb): I think we should push everything down to "BaseImmutableCollection" or something,
// just to do everything we can to emphasize the "practically an interface" nature of this class.

      assertTrue(Thread.holdsLock(mutex));
      return delegate.removeLastOccurrence(o);
    }

    @Override
    public void push(E e) {
      assertTrue(Thread.holdsLock(mutex));
      delegate.push(e);
    }

    @Override
    public E pop() {
      assertTrue(Thread.holdsLock(mutex));
      return delegate.pop();
    }

    @Override

  }

  @CanIgnoreReturnValue
  @Override
  @ParametricNullness
  public E pop() {
    return delegate().pop();
  }

  @Override
  public void push(@ParametricNullness E e) {
    delegate().push(e);
  }

  @CanIgnoreReturnValue
  @Override
  @ParametricNullness
  public E removeFirst() {
    return delegate().removeFirst();
  }

  @CanIgnoreReturnValue