import type { ChainServerDrivenContinuationDeps, ContinuationDispatchBudget } from "../production-agent.js";
/**
 * The subset of `ChainServerDrivenContinuationDeps` this stage needs,
 * already resolved to their non-optional defaults (mirrors how
 * `chainServerDrivenContinuation` builds its local `d` object).
 */
export type ContinuationDispatchRetryDeps = Required<Pick<ChainServerDrivenContinuationDeps, "sleep" | "updateRunHeartbeat" | "fireInternalDispatch" | "readBackgroundRunClaim">>;
/**
 * Attempts to deliver one background-continuation dispatch, retrying with
 * backoff up to `dispatchBudget.maxDispatchAttempts` times.
 *
 * Moved verbatim out of `chainServerDrivenContinuation`'s "TRANSACTIONAL
 * HANDOFF" section — behavior, ordering, and error handling unchanged. The
 * caller is still responsible for: minting `nextRunId`, inserting the
 * successor row, building `dispatchBody`, and handling the
 * deferred-recovery / fatal-error paths after this returns.
 *
 * `isLoopProtectionDispatchError` and `maxNestedSelfDispatchDepth` are
 * passed in (rather than imported) so this module has no runtime import
 * back on `production-agent.js` — only the type-only import above, which
 * TypeScript erases.
 */
export declare function attemptContinuationDispatch(params: {
    event: unknown;
    chainViaDurableBackground: boolean;
    backgroundContinuationCount: number;
    nextRunId: string;
    nextRowInserted: boolean;
    continuationDispatchPath: string;
    dispatchBody: Record<string, unknown>;
    dispatchBudget: ContinuationDispatchBudget;
    isLoopProtectionDispatchError: (err: unknown) => boolean;
    maxNestedSelfDispatchDepth: number;
    deps: ContinuationDispatchRetryDeps;
}): Promise<{
    dispatched: boolean;
    lastDispatchErr: unknown;
    nestedDepthExceeded: boolean;
}>;
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