import type { DebugSessionManager, SdapiScriptThread, SourceMapper } from '@salesforce/b2c-tooling-sdk/operations/debug';
import type { CartridgeMapping } from '@salesforce/b2c-tooling-sdk/operations/code';
export interface DebugRpcOptions {
    cartridges: CartridgeMapping[];
    input: NodeJS.ReadableStream;
    manager: DebugSessionManager;
    output: NodeJS.WritableStream;
    sourceMapper: SourceMapper;
}
export declare class DebugRpc {
    private readonly cartridges;
    private currentFrameIndex;
    private currentThreadId?;
    private readonly input;
    private readonly manager;
    private readonly output;
    private resolveRun?;
    private readonly sourceMapper;
    constructor(options: DebugRpcOptions);
    onThreadStopped(thread: SdapiScriptThread): void;
    run(): Promise<void>;
    private emitEvent;
    private getThread;
    private handleCommand;
    private handleMessage;
    /** Resolve a thread_id arg, falling back to the currently selected thread. */
    private resolveThreadId;
    private sendResponse;
}