import { ServerInterceptor } from '@grpc/grpc-js';
/**
 * Creates a server interceptor that rejects any call which doesn't present
 * the expected token in its `authorization` metadata.
 *
 * The token is shared with the client that spawned this connector via the
 * `CASE_CONNECTOR_TOKEN` environment variable, so only that client (or
 * processes it chooses to share the token with) can invoke the connector.
 *
 * @param expectedToken - the token that callers must present
 * @returns a {@link ServerInterceptor} enforcing the token
 */
export declare const makeAuthTokenInterceptor: (expectedToken: string) => ServerInterceptor;
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