import type { EngineRunOpts, StreamDelta } from "../shared/types.js";
/**
 * How long a headless turn may run. agy's print mode has its own wall
 * (`--print-timeout`, default 5m), so the adapter passes this same number down
 * and the two can never disagree about when a turn has gone too long.
 */
export declare const ANTIGRAVITY_TURN_TIMEOUT_MS: number;
export interface AntigravityParsedLine {
    conversationId?: string;
    deltas: StreamDelta[];
    terminal: boolean;
    result?: string;
    error?: string;
    contextTokens?: number;
}
export declare function buildAntigravityHeadlessArgs(opts: EngineRunOpts): string[];
export declare function parseAntigravityStreamLine(line: string): AntigravityParsedLine | null;
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