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package java.security.cert;
/**
* A specification of {@code CertStore} parameters.
* <p>
* The purpose of this interface is to group (and provide type safety for)
* all {@code CertStore} parameter specifications. All
* {@code CertStore} parameter specifications must implement this
* interface.
* <p>
* Typically, a {@code CertStoreParameters} object is passed as a parameter
* to one of the {@link CertStore#getInstance CertStore.getInstance} methods.
* The {@code getInstance} method returns a {@code CertStore} that
* is used for retrieving {@code Certificate}s and {@code CRL}s. The
* {@code CertStore} that is returned is initialized with the specified
* parameters. The type of parameters needed may vary between different types
* of {@code CertStore}s.
*
* @see CertStore#getInstance
*
* @since 1.4
* @author Steve Hanna
*/
public interface CertStoreParameters extends Cloneable {
/**
* Makes a copy of this {@code CertStoreParameters}.
* <p>
* The precise meaning of "copy" may depend on the class of
* the {@code CertStoreParameters} object. A typical implementation
* performs a "deep copy" of this object, but this is not an absolute
* requirement. Some implementations may perform a "shallow copy" of some
* or all of the fields of this object.
* <p>
* Note that the {@code CertStore.getInstance} methods make a copy
* of the specified {@code CertStoreParameters}. A deep copy
* implementation of {@code clone} is safer and more robust, as it
* prevents the caller from corrupting a shared {@code CertStore} by
* subsequently modifying the contents of its initialization parameters.
* However, a shallow copy implementation of {@code clone} is more
* appropriate for applications that need to hold a reference to a
* parameter contained in the {@code CertStoreParameters}. For example,
* a shallow copy clone allows an application to release the resources of
* a particular {@code CertStore} initialization parameter immediately,
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