export declare function setupSentry(dsn: string, environment?: string, release?: string): Sentry | undefined;
export declare class Sentry {
    readonly key: string;
    readonly server: string;
    readonly app: string;
    readonly release?: string;
    readonly environment: string;
    constructor(key: string, server: string, app: string, environment?: string, release?: string);
    captureMessage(event: FetchEvent, message: string, { level, extra }?: {
        level?: string | undefined;
        extra?: {} | undefined;
    }): void;
    captureException(event: FetchEvent, exc: Error, { level, extra }?: {
        level?: string | undefined;
        extra?: {} | undefined;
    }): void;
    private capture;
}