Interface IdentityProvider

interface IdentityProvider {
    lookupIdentity?(
        phoneNumber: string,
        sessionToken: string,
    ): Promise<RemoteIdentityPublicMaterial>;
    lookupKeys(
        phoneNumber: string,
        sessionToken: string,
    ): Promise<RemoteIdentityBundle>;
    register(
        material: RegistrationPublicMaterial,
    ): Promise<RegisteredIdentityClaim>;
    replenishPrekeys(
        sessionToken: string,
        oneTimePrekeys: readonly string[],
    ): Promise<number>;
    rotateSignedPrekey(
        sessionToken: string,
        material: SignedPrekeyPublicMaterial,
    ): Promise<SignedPrekeyRotationClaim>;
    verifySession(sessionToken: string): Promise<IdentitySessionClaim>;
}