import type { MeshAgent } from "./agent.js";
/** Whole messages for a host that can confirm native admission. No receive keys cross the host API. */
export interface InlineDeliveryPayload {
    text: string;
    count: number;
    remaining: number;
}
export interface InlineDeliveryBatch {
    payload: InlineDeliveryPayload;
    /** Recheck before admission: an explicit inbox read or attention change may have superseded it. */
    current(): boolean;
    /** Release every hold; only a successful native admission commits the exact offered deliveries. */
    settle(delivered: boolean): void;
}
type Source = Pick<MeshAgent, "peekInbox" | "isInFlight" | "holdInFlight" | "releaseInFlight" | "drainInboxDeliveries" | "stopping">;
/** Select and format complete automatic messages without consuming a preview or truncating a body.
 * The adapter measures its final transport envelope, including any escaping and receipt metadata. */
export declare function prepareInlineDelivery(agent: Source, options: {
    connectionId: string;
    fits(payload: InlineDeliveryPayload): boolean;
    maxItemCodePoints?: number;
    maxItems?: number;
}): InlineDeliveryBatch | undefined;
export {};
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