src/Repositories/CustomerGroupRepository.php
public function init()
    {
        // initialize the prepared statements
        $this->customerGroupsStmt =
            $this->getConnection()->prepare($this->loadStatement(SqlStatementKeys::CUSTOMER_GROUPS));
    }
public function init()
    {
        // initialize the prepared statements
        $this->customerGroupsStmt =
            $this->getConnection()->prepare($this->loadStatement(SqlStatementKeys::CUSTOMER_GROUPS));
    }
Initializes the repository's prepared statements.

@return void