Issue #3272489: Remove deprecated interface FillPdfBackendPluginInterface

src/FillPdfBackendPluginInterface.php

-<?php
-
-namespace Drupal\fillpdf;
-
-/**
- * Defines the required interface for all FillPDF BackendService plugins.
- *
- * @package Drupal\fillpdf
- *
- * @deprecated in fillpdf:8.x-4.9 and is removed from fillpdf:8.x-5.0.
- *   Instead of implementing FillPdfBackendPluginInterface, you should extend
- *   PdfBackendBase.
- * @see https://www.drupal.org/node/3059476
- * @see \Drupal\fillpdf\Plugin\PdfBackendBase
- */
-interface FillPdfBackendPluginInterface {
-
-  /**
-   * Parse a PDF and return a list of its fields.
-   *
-   * @param \Drupal\fillpdf\FillPdfFormInterface $fillpdf_form
-   *   The PDF whose fields are going to be parsed.
-   *
-   * @return array
-   *   An array of associative arrays. Each sub-array contains a 'name' key with
-   *   the name of the field and a 'type' key with the type. These can be
-   *   iterated over and saved by the caller.
-   */
-  public function parse(FillPdfFormInterface $fillpdf_form);
-
-  /**
-   * Populate a FillPDF form with field data.
-   *
-   * Formerly known as merging. Accept an array of PDF field keys and field
-   * values and populate the PDF using them.
-   *
-   * @param \Drupal\fillpdf\FillPdfFormInterface $fillpdf_form
-   *   The FillPdfForm referencing the file whose field values are going to be
-   *   populated.
-   * @param array $field_mapping
-   *   An array of fields mapping PDF field keys to the values with which they
-   *   should be replaced. Example array:
-   *   @code
-   *   [
-   *     'values' => [
-   *       'Field 1' => 'value',
-   *       'Checkbox Field' => 'On',
-   *     ],
-   *     'images' => [
-   *       'Image Field 1' => [
-   *         'data' => base64_encode($file_data),
-   *         'filenamehash' => md5($image_path_info['filename']) . '.' . $image_path_info['extension'],
-   *       ],
-   *     ],
-   *   ]
-   *   @endcode
-   * @param array $context
-   *   The request context as returned by
-   *   FillPdfLinkManipulatorInterface::parseLink().
-   *
-   * @return string|null
-   *   The raw file contents of the new PDF, or NULL if populating failed. The
-   *   caller has to handle saving or serving the file accordingly.
-   */
-  public function populateWithFieldData(FillPdfFormInterface $fillpdf_form, array $field_mapping, array $context);
-
-}

src/Service/BackendProxy.php

@@ -104,7 +104,7 @@ class BackendProxy implements BackendProxyInterface {
     }
 
     // Now load the backend plugin.
-    /** @var \Drupal\fillpdf\FillPdfBackendPluginInterface|\Drupal\fillpdf\Plugin\PdfBackendInterface $backend */
+    /** @var \Drupal\fillpdf\Plugin\PdfBackendInterface $backend */
     $backend = $this->backendManager->createInstance($config->get('backend'), $config->get());
 
     // @todo Emit event (or call alter hook?) before populating PDF.