type HumanPlusActor = {
    kind: "human" | "agent" | "system";
    id: string;
    name?: string;
};
type HumanPlusPriority = "background" | "normal" | "attention" | "blocking";
type HumanPlusDisposition = "seen" | "handled" | "rejected" | "ignored";
interface HumanPlusEvent<T = unknown> {
    id: string;
    sequence: number;
    timestamp: number;
    appId: string;
    surfaceId: string;
    sessionId?: string;
    type: string;
    payload: T;
    actor: HumanPlusActor;
    priority: HumanPlusPriority;
    correlationId?: string;
    causationId?: string;
}
type NewHumanPlusEvent<T = unknown> = Omit<HumanPlusEvent<T>, "id" | "sequence" | "timestamp"> & Partial<Pick<HumanPlusEvent<T>, "id" | "timestamp">>;
interface HumanPlusEventQuery {
    consumerId: string;
    after?: number;
    limit?: number;
    unacknowledgedOnly?: boolean;
    types?: string[];
    surfaces?: string[];
}
interface HumanPlusEventPage {
    events: HumanPlusEvent[];
    nextCursor: number;
}
type HumanPlusEventListener = (event: HumanPlusEvent) => void;
interface HumanPlusEventStore {
    append(event: NewHumanPlusEvent): Promise<HumanPlusEvent>;
    list(query: HumanPlusEventQuery): Promise<HumanPlusEventPage>;
    acknowledge(consumerId: string, eventIds: string[], disposition: HumanPlusDisposition): Promise<void>;
    subscribe(listener: HumanPlusEventListener): () => void;
    compact?(options?: {
        before?: number;
        keepLast?: number;
    }): Promise<void>;
}
declare class MemoryHumanPlusEventStore implements HumanPlusEventStore {
    protected events: HumanPlusEvent[];
    protected acknowledgements: Map<string, Map<string, HumanPlusDisposition>>;
    protected listeners: Set<HumanPlusEventListener>;
    protected nextSequence: number;
    append(input: NewHumanPlusEvent): Promise<HumanPlusEvent>;
    list(query: HumanPlusEventQuery): Promise<HumanPlusEventPage>;
    acknowledge(consumerId: string, eventIds: string[], disposition: HumanPlusDisposition): Promise<void>;
    subscribe(listener: HumanPlusEventListener): () => void;
    compact(options?: {
        before?: number;
        keepLast?: number;
    }): Promise<void>;
}

export { type HumanPlusActor, type HumanPlusDisposition, type HumanPlusEvent, type HumanPlusEventListener, type HumanPlusEventPage, type HumanPlusEventQuery, type HumanPlusEventStore, type HumanPlusPriority, MemoryHumanPlusEventStore, type NewHumanPlusEvent };