/**
  * @throws OSStatusException
  * @since Available in iOS 2.0 and later.
  */
 public int getPropertySize(Struct<?> specifier) throws OSStatusException {
   IntPtr ptr = new IntPtr();
   OSStatus status =
       getPropertyInfo0(
           this,
           specifier == null ? 0 : Struct.sizeOf(specifier),
           specifier == null ? null : specifier.as(VoidPtr.class),
           ptr);
   OSStatusException.throwIfNecessary(status);
   return ptr.get();
 }
 /**
  * @throws OSStatusException
  * @since Available in iOS 2.0 and later.
  */
 public <T extends Struct<T>> T getProperty(Struct<?> specifier, Class<T> type)
     throws OSStatusException {
   T data = Struct.allocate(type);
   IntPtr dataSize = new IntPtr(Struct.sizeOf(data));
   OSStatus status =
       getProperty0(
           this,
           specifier == null ? 0 : Struct.sizeOf(specifier),
           specifier == null ? null : specifier.as(VoidPtr.class),
           dataSize,
           data.as(VoidPtr.class));
   OSStatusException.throwIfNecessary(status);
   return data;
 }
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 /**
  * @throws OSStatusException
  * @since Available in iOS 2.0 and later.
  */
 public static void delete(SecQuery query) throws OSStatusException {
   OSStatus status = delete0(query);
   OSStatusException.throwIfNecessary(status);
 }
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 /**
  * @throws OSStatusException
  * @since Available in iOS 2.0 and later.
  */
 public static void update(SecQuery query, SecAttributes attributesToUpdate)
     throws OSStatusException {
   OSStatus status = update0(query, attributesToUpdate);
   OSStatusException.throwIfNecessary(status);
 }
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 /**
  * @throws OSStatusException
  * @since Available in iOS 2.0 and later.
  */
 public static CFType add(SecAttributes attributes) throws OSStatusException {
   CFType.CFTypePtr ptr = new CFType.CFTypePtr();
   OSStatus status = add0(attributes, ptr);
   OSStatusException.throwIfNecessary(status);
   return ptr.get();
 }
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 /**
  * @throws OSStatusException
  * @since Available in iOS 2.0 and later.
  */
 public static CFType getMatching(SecQuery query) throws OSStatusException {
   CFType.CFTypePtr ptr = new CFType.CFTypePtr();
   OSStatus status = getMatching0(query, ptr);
   OSStatusException.throwIfNecessary(status);
   return ptr.get();
 }