import { type SentryDsn } from "./dsn";
export interface CrashEventFrame {
    readonly filename: string;
    readonly function: string;
}
export interface BuildCrashEnvelopeInput {
    readonly eventId: string;
    readonly fingerprint: string;
    readonly errorName: string;
    readonly messageClass: string;
    readonly frames: readonly CrashEventFrame[];
    readonly firstSeen: number;
    readonly lastSeen: number;
    readonly lifetimeCount: number;
    readonly release: string;
    readonly platform: string;
    readonly bunVersion: string;
    readonly dsn: SentryDsn;
    /** Upstream severity. Defaults to `fatal`; handled tool failures use `error`. */
    readonly level?: "fatal" | "error";
}
export type BuildCrashEnvelopeResult = {
    ok: true;
    body: string;
    eventId: string;
} | {
    ok: false;
    reason: string;
};
/** Create Sentry's required lowercase 128-bit event identifier. */
export declare function newSentryEventId(): string;
/** Build the exact auth header used for the hand-rolled envelope POST. */
export declare function sentryAuthHeader(dsn: SentryDsn, clientVersion: string): string;
/**
 * Build a three-line event envelope. Sanitization failures and oversize output
 * refuse the complete event: JSON must never be truncated into a new payload.
 */
export declare function buildCrashEnvelope(input: BuildCrashEnvelopeInput): BuildCrashEnvelopeResult;