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function _wp_register_default_connector_settings(): void {
	$registered_settings = get_registered_settings();

	foreach ( wp_get_connectors() as $connector_data ) {
		$auth = $connector_data['authentication'];
		if ( 'api_key' !== $auth['method'] && 'application_password' !== $auth['method'] ) {
			continue;
		}

		if ( empty( $auth['setting_name'] ) || isset( $registered_settings[ $auth['setting_name'] ] ) ) {
			continue;
		}
		$setting_name = $auth['setting_name'];

		if ( ! isset( $connector_data['plugin']['is_active'] ) || ! is_callable( $connector_data['plugin']['is_active'] ) ) {
			continue;
		}

		if ( ! call_user_func( $connector_data['plugin']['is_active'] ) ) {
			continue;
		}

		if ( 'api_key' === $auth['method'] ) {
			register_setting(
				'connectors',
				$setting_name,
				array(
					'type'              => 'string',
					'label'             => sprintf(
						/* translators: %s: Connector name. */
						__( '%s API Key' ),
						$connector_data['name']
					),
					'description'       => sprintf(
						/* translators: %s: Connector name. */
						__( 'API key for the %s connector.' ),
						$connector_data['name']
					),
					'default'           => '',
					'show_in_rest'      => true,
					'sanitize_callback' => 'sanitize_text_field',
				)
			);
		} elseif ( 'application_password' === $auth['method'] ) {
			register_setting(
				'connectors',
				$setting_name,
				array(
					'type'              => 'object',
					'label'             => sprintf(
						/* translators: %s: Connector name. */
						__( '%s Credentials' ),
						$connector_data['name']
					),
					'description'       => sprintf(
						/* translators: %s: Connector name. */
						__( 'Application password credentials for the %s connector.' ),
						$connector_data['name']
					),
					'default'           => array(
						'username' => '',
						'password' => '',
					),
					'show_in_rest'      => array(
						'schema' => array(
							'type'                 => 'object',
							'properties'           => array(
								'username' => array(
									'type' => 'string',
								),
								'password' => array(
									'type' => 'string',
								),
							),
							'additionalProperties' => false,
						),
					),
					'sanitize_callback' => static function ( $value ) use ( $setting_name ) {
						return wp_connectors_sanitize_application_password_credentials( $value, $setting_name );
					},
				)
			);
		}
	}
}