import type { EscalationSignal } from '../types/escalation.types.js';
import type { LLMCompletionOptions, LLMProvider } from '../types/llm.types.js';
/**
 * Minimal shape this service needs from EscalationDetectionService — kept narrow so
 * tests can pass a lightweight fake instead of constructing the real singleton.
 */
export interface EscalationSignalDetector {
    parseResponse(content: string): {
        signal: EscalationSignal | null;
    };
    shouldTriggerEscalation(signal: EscalationSignal | null): boolean;
}
export interface SelfConsistencyResult {
    /** Fraction of successfully-parsed samples that agreed with the original's escalation verdict. */
    agreementRatio: number;
    /**
     * True when the original's "no escalation needed" self-report should not be trusted —
     * either a majority of independent samples disagreed, or none could be parsed at all
     * (an inconclusive check fails closed rather than silently trusting the original).
     */
    disagrees: boolean;
}
/**
 * Independently checks a borderline confidence report by re-asking the model the same
 * question additional times and seeing whether it reaches the same escalation verdict.
 * This is the one place in the escalation pipeline that verifies the model's self-report
 * against something other than the model's own words.
 */
export declare class SelfConsistencySamplerService {
    checkAgreement(provider: LLMProvider, completionOptions: LLMCompletionOptions, originalSignal: EscalationSignal, detectionService: EscalationSignalDetector, sampleCount: number): Promise<SelfConsistencyResult>;
}
export declare function getSelfConsistencySamplerService(): SelfConsistencySamplerService;
export declare function resetSelfConsistencySamplerService(): void;
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