import type { SummarizerPlugin, PluginConfig, SummaryResult, SummarizeOpts } from '../../core/types.js';
export declare class JsonSummarizer implements SummarizerPlugin {
    name: string;
    version: string;
    type: "summarizer";
    contentTypes: string[];
    /** Cached parse result from detect() to avoid double JSON.parse on the hot path */
    private _lastParsed;
    private _lastParsedContent;
    init(_config: PluginConfig): Promise<void>;
    destroy(): Promise<void>;
    detect(content: string): boolean;
    summarize(content: string, _opts: SummarizeOpts): Promise<SummaryResult>;
}
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