import type { AgentMessage, AgentRunArgs, AgentRunner } from './agent-runner.js';
/** Pure JSON-event parser — exported for unit testing against fixture lines
 *  (pi-runner.test.ts). */
export declare function parsePiEvents(lines: string[]): {
    texts: string[];
    rawTexts: string[];
    inputTokens: number;
    outputTokens: number;
};
export declare class PiAgentRunner implements AgentRunner {
    private piBin?;
    constructor(piBin?: string | undefined);
    run(args: AgentRunArgs): AsyncIterable<AgentMessage>;
    private runTurn;
}
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