import type { CompactionEntryData, CompactionStrategy } from "./contracts.js";
export interface DefaultCompactionStrategyOptions {
    readonly name?: string;
    readonly keepRecentEntries?: number;
    readonly maxSummaryChars?: number;
    readonly secrets?: readonly (string | undefined)[];
}
export declare function createDefaultCompactionStrategy(options?: DefaultCompactionStrategyOptions): CompactionStrategy;
export declare function isCompactionEntryData(value: unknown): value is CompactionEntryData;