TableNameResolver.php

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<?php
declare(strict_types=1);

namespace Magento\Framework\Setup\Declaration\Schema;

class TableNameResolver
{
    private $filterPattern = '';

    public function getNameOfOriginTable(string $tableName): string
    {
        $tableIsReplica = preg_match($this->getFilterPattern(), $tableName, $matches);

        return $tableIsReplica ? $matches['table_name'] : $tableName;
    }

    private function getFilterPattern(): string
    {
        if (!$this->filterPattern) {
            $this->filterPattern = '#(?<table_name>\S+)_replica$#i';
        }

        return $this->filterPattern;
    }
}