/**
 * Dispatches signals to the Prelude service.
 *
 * @param configuration - Configuration options for dispatching signals
 * @param configuration.sdk_key - Your Prelude SDK key
 * @param configuration.timeout_milliseconds - Optional timeout in milliseconds for the network requests
 * @param configuration.implemented_features - Optional array of implemented features. Required for certain features like Silent Verification
 * @param configuration.max_retries - Optional maximum number of automatic network retries in case of server failures
 * @returns A promise that resolves with the dispatchId result
 */
export declare function dispatchSignals(configuration?: {
    sdk_key: string;
    endpoint?: string;
    timeout_milliseconds?: number;
    implemented_features?: Features[];
    max_retries?: number;
}): Promise<string>;
/**
 * Initiates a silent verification process of the user's phone number.
 *  The signals have to be dispatched beforehand using `dispatchSignals` with the `SilentVerification` feature enabled.
 *
 * @param configuration - Configuration options for verification
 * @param configuration.sdk_key - Your Prelude SDK key
 * @param configuration.request_url - The URL to verify
 * @returns A promise that resolves with the verification result
 */
export declare function verifySilent(configuration: {
    sdk_key: string;
    request_url: string;
}): Promise<string>;
export declare enum Features {
    SilentVerification = 1
}
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