val issuer = cert.issuerX500Principal
    val subjectCaCerts = subjectToCaCerts[issuer] ?: return null

    return subjectCaCerts.firstOrNull {
      try {
        cert.verify(it.publicKey)
        return@firstOrNull true
      } catch (_: Exception) {
        return@firstOrNull false
      }
    }
  }

  override fun equals(other: Any?): Boolean {
    return other === this ||

  @CheckForNull private T nextOrNull;

  /**
   * Creates a new iterator with the given first element, or, if {@code firstOrNull} is null,
   * creates a new empty iterator.
   */
  protected AbstractSequentialIterator(@CheckForNull T firstOrNull) {
    this.nextOrNull = firstOrNull;
  }

  /**
   * Returns the element that follows {@code previous}, or returns {@code null} if no elements

) {
  val commonName: Any?
    get() {
      return tbsCertificate.subject
        .flatten()
        .firstOrNull { it.type == ObjectIdentifiers.COMMON_NAME }
        ?.value
    }

  val organizationalUnitName: Any?
    get() {
      return tbsCertificate.subject
        .flatten()
        .firstOrNull { it.type == ObjectIdentifiers.ORGANIZATIONAL_UNIT_NAME }
        ?.value
    }

  @CheckForNull private T nextOrNull;

  /**
   * Creates a new iterator with the given first element, or, if {@code firstOrNull} is null,
   * creates a new empty iterator.
   */
  protected AbstractSequentialIterator(@CheckForNull T firstOrNull) {
    this.nextOrNull = firstOrNull;
  }

  /**
   * Returns the element that follows {@code previous}, or returns {@code null} if no elements

        val callableDescriptor = getSymbolDescriptor(symbol) as? CallableMemberDescriptor ?: return symbol
        val originalCallableDescriptor = callableDescriptor.findOriginalTopMostOverriddenDescriptors().firstOrNull() ?: return symbol
        return originalCallableDescriptor.toKtCallableSymbol(analysisContext) ?: symbol
    }

    override fun getOriginalContainingClassForOverride(symbol: KtCallableSymbol): KtClassOrObjectSymbol?  {

            token,
        )
    }

    override fun analyze(elements: List<KtElement>, mode: Fe10AnalysisFacade.AnalysisMode): BindingContext {
        val element = elements.firstOrNull() ?: return BindingContext.EMPTY
        return getHandler(element).resolveSession.orThrowResolutionNotPerformedError().bindingContext
    }

    override fun getOrigin(file: VirtualFile): KtSymbolOrigin {

        classFilePathCandidatesFor(sourceName)
            .mapNotNull(::classBytesSupplierForFilePath)
            .firstOrNull()

    private
    fun classBytesSupplierForFilePath(classFilePath: String): ClassBytesSupplier? =
        classBytesIndex.asSequence().mapNotNull { it(classFilePath) }.firstOrNull()

    private
    fun sourceNamesFrom(entry: File): Sequence<String> =
        when {

    constructorsSupplier.get().firstOrNull { c -> jvmSignature == c.signature?.asString() }?.flags?.let { predicate(it) } ?: false


private
fun hasFunctionFlags(functionsSupplier: Supplier<MutableList<KmFunction>>, jvmSignature: String, predicate: FlagsPredicate) =
    functionsSupplier.get().firstOrNull {
        jvmSignature == it.signature?.asString()

        }

        return upperBounds.firstOrNull() ?: builtIns.nullableAnyType
    }

    override fun continuationTypeConstructor(): TypeConstructorMarker {
        val continuationFqName = StandardClassIds.Continuation.asSingleFqName()
        val foundClasses = resolveSession.getTopLevelClassifierDescriptors(continuationFqName, NoLookupLocation.FROM_IDE)
        return foundClasses.firstOrNull()?.typeConstructor

        val classSymbol = getNamedClassSymbol(containingClass) ?: return null
        return with(analysisSession) {
            classSymbol.getCombinedDeclaredMemberScope().getCallableSymbols(name).firstOrNull { it.psi == callable }
        }
    }