import { type Draw, type WardKey } from './keys.ts';
import type { Invitation } from './invitation.ts';
import { type Payload } from './payload.ts';
import type { Relations } from './relations.ts';
export declare const SPAN = 64;
export type Choice = {
    readonly object: string;
    readonly seen: string | null;
} | {
    readonly silence: true;
};
export interface Behind {
    readonly zero: boolean;
    answer(heir: string | null, payload: Payload): Promise<Choice>;
}
export type Judged = {
    bytes: Uint8Array;
    case: number;
    heard: boolean;
};
export declare class Door {
    #private;
    readonly key: WardKey;
    readonly relations: Relations;
    readonly behind: Behind;
    readonly draw: Draw;
    constructor(key: WardKey, relations: Relations, behind: Behind, draw: Draw);
    invite(at?: readonly string[]): Promise<{
        heir: string;
        invitation: Invitation;
    }>;
    remove(heir: string): boolean;
    arrive(bytes: Uint8Array): Promise<Judged>;
}