import { type JsonValue } from "../state/json.js";
export declare const CLIENT_PROTOCOL_VERSION = 1;
export declare const CLIENT_PROTOCOL_SCHEMA: "pi-workflows.client.v1";
export declare const MAX_PROTOCOL_MESSAGE_BYTES: number;
export declare const CLIENT_OPERATIONS: readonly ["run.start", "run.pause", "run.resume", "run.cancel", "run.restart", "run.changeSettings", "run.status", "run.list", "checkpoint.answer", "decision.answer", "interaction.submit", "interaction.assistant", "interaction.update", "workflowMessage.reportBranch", "workflowTurn.report", "sessionView.clearTerminal", "followUp.queue", "followUp.remove", "session.record", "channel.status", "channel.reload", "channel.recover", "resourceManager.list", "resourceManager.get", "resourceManager.apply", "resourceManager.reconcile", "resourceManager.delete", "server.status", "server.stop", "view.runs.watch", "view.runs.page", "view.run.get", "view.run.watch", "view.run.unwatch", "view.page", "view.content", "view.session.watch", "state.status", "state.verify", "state.backup", "state.prune"];
export declare const CLIENT_OUTCOMES: readonly ["accepted", "adopted", "rejected", "conflict", "notFound", "claimLost", "unavailable"];
export declare const CLIENT_EVENTS: readonly ["runs", "run_snapshot", "run_patch", "run_page", "session_snapshot", "unavailable"];
export type ClientOperation = (typeof CLIENT_OPERATIONS)[number];
export type ClientOutcome = (typeof CLIENT_OUTCOMES)[number];
export type ClientEventName = (typeof CLIENT_EVENTS)[number];
export type ClientHello = {
    schema: typeof CLIENT_PROTOCOL_SCHEMA;
    type: "hello";
    connectionId: string;
    packageVersion: string;
};
export type ClientRequest = {
    schema: typeof CLIENT_PROTOCOL_SCHEMA;
    type: "request";
    requestId: string;
    clientId: string;
    operation: ClientOperation;
    idempotencyKey: string;
    runId?: string;
    expectedRevision?: number;
    payload: JsonValue;
};
export type ClientResponse = {
    schema: typeof CLIENT_PROTOCOL_SCHEMA;
    type: "response";
    requestId: string;
    outcome: ClientOutcome;
    revision?: number;
    receipt?: JsonValue;
    error?: string;
};
export type ClientEvent = {
    schema: typeof CLIENT_PROTOCOL_SCHEMA;
    type: "event";
    subscriptionId: string;
    event: ClientEventName;
    revision?: number;
    runId?: string;
    payload: JsonValue;
};
export type ClientMessage = ClientHello | ClientRequest | ClientResponse | ClientEvent;
export declare class ClientProtocolError extends Error {
    constructor(message: string);
}
export declare function encodeProtocolMessage(message: ClientMessage): Buffer;
export declare function encodeProtocolLine(message: ClientMessage): Buffer;
export declare function parseClientMessage(line: string | Buffer): ClientMessage;
export declare function parseClientRequest(line: string | Buffer): ClientRequest;
export declare function parseClientResponse(line: string | Buffer): ClientResponse;
export declare function clientRequestFingerprint(request: ClientRequest): Buffer;
export declare function clientSocketPath(databasePath: string): string;
export declare class NdjsonFrameDecoder {
    private readonly maxMessageBytes;
    private readonly oversizedMessage;
    private buffered;
    constructor(maxMessageBytes?: number, oversizedMessage?: string);
    push(chunk: Buffer): Buffer[];
}