documentation/_schema_setup_interface_8php_source.html

 <?php
 namespace Magento\Framework\Setup;

 interface SchemaSetupInterface extends SetupInterface
 {
     public function getIdxName($tableName, $fields, $indexType = '');

     public function getFkName($priTableName, $priColumnName, $refTableName, $refColumnName);
 }
$tableName
$tableName
Definition: trigger.php:13

$fields
$fields
Definition: details.phtml:14

Magento\Framework\Setup\SetupInterface
Definition: SetupInterface.php:14

Magento\Framework\Setup\SchemaSetupInterface
Definition: SchemaSetupInterface.php:13

Magento\Framework\Setup
Definition: BackendFrontnameGenerator.php:7

Magento\Framework\Setup\SchemaSetupInterface\getIdxName
getIdxName($tableName, $fields, $indexType='')

Magento\Framework\Setup\SchemaSetupInterface\getFkName
getFkName($priTableName, $priColumnName, $refTableName, $refColumnName)