import type { Observability } from "@opengeni/observability";
export type ApiFatalEvent = "startup_failure" | "unhandled_rejection" | "uncaught_exception";
export type ApiFatalPhase = "startup" | "running";
export type ApiFatalReasonKind = "bigint" | "boolean" | "error" | "function" | "null" | "number" | "object" | "string" | "symbol" | "undefined";
type ApiFatalObservability = Pick<Observability, "error" | "flush" | "startSpan">;
type ApiFatalProcess = {
    on: (event: "unhandledRejection" | "uncaughtException", listener: (reason: unknown) => void) => void;
    off: (event: "unhandledRejection" | "uncaughtException", listener: (reason: unknown) => void) => void;
    exit: (code: number) => void;
};
export type ApiFatalProcessBoundaryOptions = {
    process?: ApiFatalProcess;
    observability?: ApiFatalObservability;
    flushTimeoutMs?: number;
    correlationId?: () => string;
    fallbackLog?: (message: string) => void;
};
export type ApiFatalProcessBoundary = {
    attachObservability: (observability: ApiFatalObservability) => void;
    markRunning: () => void;
    reportStartupFailure: (reason: unknown) => Promise<void>;
    dispose: () => void;
};
export declare function installApiFatalProcessBoundary(options?: ApiFatalProcessBoundaryOptions): ApiFatalProcessBoundary;
export {};