import type { Invitation } from './invitation.ts';
import { Ephemeral, type Draw } from './keys.ts';
import { type Reply } from './reply.ts';
export type Read = Reply | {
    readonly nothing: true;
};
type Knock = {
    readonly bytes: string;
    readonly lid: string;
    readonly next: string;
    readonly edge: string;
    readonly seq: number;
};
export type StandingState = {
    readonly key: string | null;
    readonly edge: string | null;
    readonly sent: number;
    readonly moved: number;
    readonly knock: Knock | null;
    readonly probed: boolean;
};
export declare const freshStanding: () => StandingState;
export type Sent = {
    readonly bytes: Uint8Array;
    readonly lid: Ephemeral;
    readonly next: string;
    readonly edge: string;
    readonly seq: number;
};
export declare class Standing {
    #private;
    readonly invitation: Invitation;
    state: StandingState;
    readonly draw: Draw;
    constructor(invitation: Invitation, state: StandingState, draw: Draw);
    ask(method?: string, args?: string): Promise<Sent | null>;
    read(sent: Sent, bytes: Uint8Array | null): Promise<Read>;
}
export {};