import type { ContextInjector } from '../injection/context-injector.js';
export interface InjectionHookConfig {
    tokenBudget: number;
    minScore: number;
}
export declare class InjectionHook {
    private readonly injector;
    private readonly config;
    constructor(injector: ContextInjector, config?: Partial<InjectionHookConfig>);
    handleBeforePromptBuild(ctx: {
        currentMessage?: string;
        prependSystem: (text: string) => void;
    }): Promise<void>;
}
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