import { Mailbox } from "./Mailbox.js";
import { Message } from "./Message.js";
import { OverflowPolicy } from "./OverflowPolicy.js";
export declare class BoundedMailbox implements Mailbox {
    private closed;
    private suspended;
    private queue;
    private readonly capacity;
    private readonly overflowPolicy;
    private _droppedMessageCount;
    constructor(capacity: number, overflowPolicy: OverflowPolicy);
    close(): void;
    isClosed(): boolean;
    suspend(): void;
    resume(): void;
    isSuspended(): boolean;
    dispatch(): Promise<void>;
    isReceivable(): boolean;
    receive(): Message;
    send(message: Message): void;
    private handleOverflow;
    private notifyDropped;
    droppedMessageCount(): number;
    size(): number;
    getCapacity(): number;
    isFull(): boolean;
}
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