import type { Message } from "../shared/types.js";
export interface ContextConfig {
    maxTokens: number;
    reservedForResponse?: number;
    compressionStrategy?: "truncate" | "summarize" | "sliding";
}
export interface ContextState {
    messages: Message[];
    totalTokens: number;
    truncated: boolean;
}
export declare function estimateTokens(text: string): number;
export declare function countMessageTokens(messages: Message[]): number;
export declare function createContextManager(config: ContextConfig): {
    fit(messages: Message[]): ContextState;
    getAvailableTokens(): number;
    estimateTokens: typeof estimateTokens;
    countMessageTokens: typeof countMessageTokens;
};
export declare function truncateText(text: string, maxTokens: number): string;
//# sourceMappingURL=context.d.ts.map