import { type LLMMessage } from './llm-message.js';
export interface LearnedSkill {
    name: string;
    description: string;
    steps: string[];
    tools: string[];
    errorRecoveryPatterns: string[];
    preconditions: string[];
    createdAt: number;
    sourceSessionKey: string;
    confidence: number;
    occurrenceCount: number;
}
export interface SkillLearnerConfig {
    skillsDir: string;
    minToolCalls?: number;
    minConfidence?: number;
}
export declare class SkillLearner {
    private readonly skillsDir;
    private readonly minToolCalls;
    private readonly minConfidence;
    private patternCounts;
    constructor(config: SkillLearnerConfig);
    maybeLearnFromSession(sessionKey: string, messages: LLMMessage[], summarize?: (prompt: string) => Promise<string>): Promise<string | null>;
    private scoreConfidence;
    private extractToolChainPattern;
    private extractMeaningfulSteps;
    private extractErrorRecoveryPatterns;
    private extractPreconditions;
    private isDuplicate;
    private extractToolCalls;
    private extractText;
    private slugify;
    private yamlSafeString;
    private saveSkill;
    listLearnedSkills(): Promise<string[]>;
}
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