isSignInWithEmailLink
Whether link is a sign-in link sent by sendSignInLinkToEmail.
Whether link is a sign-in link sent by sendSignInLinkToEmail.
Whether link is a sign-in link sent by sendSignInLinkToEmail.
Whether link is a sign-in link sent by sendSignInLinkToEmail.
Whether link is a sign-in link sent by sendSignInLinkToEmail.