import type { ContextEvent } from "@earendil-works/pi-coding-agent";
type ContextMessage = ContextEvent["messages"][number];
export interface ContextLifecycleOptions {
    softLimitTokens?: number;
    hardLimitTokens?: number;
    recentMessageCount?: number;
    hardRecentMessageCount?: number;
    compactedToolResultChars?: number;
    compactedToolCallChars?: number;
}
export interface ContextLifecycleResult {
    messages: ContextMessage[];
    estimatedTokensBefore: number;
    estimatedTokensAfter: number;
    compactedResults: number;
    compactedToolCalls: number;
}
export declare function estimateContextTokens(messages: readonly ContextMessage[]): number;
export declare function compactFrontendContext(messages: readonly ContextMessage[], options?: ContextLifecycleOptions): ContextLifecycleResult;
export {};
//# sourceMappingURL=context-lifecycle.d.ts.map