/**
 * Source document adapters for discovering and accessing PDF candidates.
 * <p>
 * Implementations:
 * <ul>
 *   <li>{@link de.gecheckt.pdf.umbenenner.adapter.out.sourcedocument.SourceDocumentCandidatesPortAdapter}
 *       — File-system based discovery of PDF candidates from the source folder</li>
 * </ul>
 */
package de.gecheckt.pdf.umbenenner.adapter.out.sourcedocument;
