/**
 * Evaluate whether a goal condition is satisfied, given the conversation so far.
 */
import type { GoalModelConfig } from './config.js';
import { type GoalModelRegistry } from './llm.js';
export interface GoalVerdict {
    ok: boolean;
    impossible: boolean;
    reason: string;
}
export interface EvaluateOptions {
    registry: GoalModelRegistry;
    modelConfig: GoalModelConfig;
    condition: string;
    transcript: string;
    /** Text-bearing messages dropped to fit the cap; surfaced to the evaluator. */
    omittedCount?: number;
    signal?: AbortSignal;
}
/**
 * Returns a verdict, or null if the model is unavailable / the call failed.
 * A malformed model response is treated conservatively as "not yet met" rather
 * than null, so the engine keeps working instead of silently giving up.
 */
export declare function evaluateCondition(opts: EvaluateOptions): Promise<GoalVerdict | null>;
/** Parse the JSON verdict leniently; unparseable output → conservative "not yet". */
export declare function parseVerdict(raw: string): GoalVerdict;
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