Can handle some mandatory fields (not all).

app/Support/Import/Configuration/Spectre/SelectProvider.php

@@ -0,0 +1,77 @@
+<?php
+declare(strict_types=1);
+
+namespace FireflyIII\Support\Import\Configuration\Spectre;
+
+
+use FireflyIII\Models\ImportJob;
+use FireflyIII\Models\SpectreProvider;
+use FireflyIII\Support\Import\Configuration\ConfigurationInterface;
+
+/**
+ * Class SelectProvider
+ */
+class SelectProvider implements ConfigurationInterface
+{
+    /** @var ImportJob */
+    private $job;
+
+    /**
+     * Get the data necessary to show the configuration screen.
+     *
+     * @return array
+     */
+    public function getData(): array
+    {
+        $config    = $this->job->configuration;
+        $selection = SpectreProvider::where('country_code', $config['country'])->where('status', 'active')->get();
+        $providers = [];
+        /** @var SpectreProvider $provider */
+        foreach ($selection as $provider) {
+            $providerId             = $provider->spectre_id;
+            $name                   = $provider->data['name'];
+            $providers[$providerId] = $name;
+        }
+        $country = SelectCountry::$allCountries[$config['country']] ?? $config['country'];
+
+        return compact('providers', 'country');
+    }
+
+    /**
+     * Return possible warning to user.
+     *
+     * @return string
+     */
+    public function getWarningMessage(): string
+    {
+        return '';
+    }
+
+    /**
+     * @param ImportJob $job
+     *
+     * @return ConfigurationInterface
+     */
+    public function setJob(ImportJob $job)
+    {
+        $this->job = $job;
+    }
+
+    /**
+     * Store the result.
+     *
+     * @param array $data
+     *
+     * @return bool
+     */
+    public function storeConfiguration(array $data): bool
+    {
+        $config                   = $this->job->configuration;
+        $config['provider']       = intval($data['provider_code']) ?? 0; // default to fake country.
+        $config['selected-provider']  = true;
+        $this->job->configuration = $config;
+        $this->job->save();
+
+        return true;
+    }
+}