<?xml version="1.0"?>
    <config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"   xsi:noNamespaceSchemaLocation="urn:magento:framework:ObjectManager/etc/config.xsd">
    <preference for="Mstore\SocialLogin\Api\SocialLoginInterface" type="Mstore\SocialLogin\Model\SocialLoginRepository" />
</config>