import type { Tool } from 'ai';
export type ReminderProvider = (ctx: {
    toolCallId: string;
    input: unknown;
    output: unknown;
}) => string[] | undefined | Promise<string[] | undefined>;
export type ContextSection = {
    label: string;
    body: string;
};
export declare function wrapReminder(text: string): string;
export declare function withReminders<TOOL extends Tool>(tool: TOOL, provider: ReminderProvider): TOOL;
export declare function contextReminder(sections: readonly ContextSection[]): string;
export declare const SYSTEM_REMINDER_CONTRACT: string;