Interface SummarisationStrategyOptions

interface SummarisationStrategyOptions {
    maxMessages?: number;
    maxTokens?: number;
    onTrim?: (
        event: {
            afterCount: number;
            beforeCount: number;
            estimatedTokens: number;
            removedCount: number;
        },
    ) => void;
    tokenEstimator?: (messages: CanonicalMessage[]) => number;
    keepLastMessages?: number;
    summarizer: (
        messages: CanonicalMessage[],
        context: ContextManagerContext,
    ) => MaybePromise<string>;
    summaryMetadata?: Record<string, unknown>;
}