export type CompiledPattern = {
    regExp: RegExp;
    patternVariables: string[];
};
export declare class OpenAiSqliteBucketPatternHelper {
    /**
     * Compile a pattern like:
     *   "tracker_bucket/{userId}/{skillId}/{sessionId}"
     *
     * Into:
     *   - a RegExp for matching
     *   - a list of keys to extract
     */
    static compilePatternDef(patternDef: string): CompiledPattern;
    /**
     * Extract structured data from a bucketId using a compiled pattern.
     *
     * Example:
     *   extract("tracker_bucket/A/B/C", compiledPattern)
     *   → { userId: "A", skillId: "B", sessionId: "C" }
     */
    static extract(bucketId: string, compiledPattern: CompiledPattern): Record<string, string> | null;
    /**
     * Convert bucketIds into glob strings by replacing specified pattern variables with '*'.
     *
     * Example:
     *   bucketIds: "ns/userA/skillX/s1", "ns/userA/skillY/s2"
     *   patternDef: "{namespace}/{userId}/{skillId}/{sessionId}"
     *   patternVariables: "namespace", "userId"
     *   result: "ns/userA/star/star"
     */
    static toGlobs(bucketIds: string[], compiledPattern: CompiledPattern, patternVariables: string[]): string[];
    /**
     * Get the segment indices that correspond to pattern variables.
     */
    private static getVariableSegmentIndices;
}