.collect(toLinkedHashMap(valueSnapshot -> Hashing.hashHashable(valueSnapshot).toByteArray())))
            .orElse(null);
    }

    @Nullable
    public byte[] getClassLoaderHashBytes() {
        return getBeforeExecutionState()
            .map(ExecutionInputState::getImplementation)
            .map(BaseSnapshotInputsBuildOperationResult::getClassLoaderHashBytesOrNull)
            .orElse(null);