<commit_before>package org.apereo.cas.authentication;

import org.apereo.cas.authentication.principal.Service;

import java.io.Serializable;
import java.util.Collection;
import java.util.Optional;

/**
 * This is {@link AuthenticationTransaction}.
 *
 * @author <NAME>
 * @since 4.2.0
 */
public interface AuthenticationTransaction extends Serializable {

    /**
     * Gets service.
     *
     * @return the service
     */
    Service getService();

    /**
     * Gets credentials.
     *
     * @return the credentials
     */
    Collection<Credential> getCredentials();
<commit_msg>[force build]<commit_after>package org.apereo.cas.authentication;

import org.apereo.cas.authentication.principal.Service;

import java.io.Serializable;
import java.util.Collection;
import java.util.Optional;

/**
 * This is {@link AuthenticationTransaction}.
 *
 * @author <NAME>
 * @since 4.2.0
 */
public interface AuthenticationTransaction extends Serializable {

    /**
     * Gets service linked to this transaction.
     *
     * @return the service
     */
    Service getService();

    /**
     * Gets credentials.
     *
     * @return the credentials
     */
    Collection<Credential> getCredentials();

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