export declare const CONTEXT_WINDOW_HARD_MIN_TOKENS = 16000;
export declare const CONTEXT_WINDOW_WARN_BELOW_TOKENS = 32000;
export type ContextWindowSource = 'agentContextTokens' | 'default';
export type ContextWindowInfo = {
    tokens: number;
    source: ContextWindowSource;
};
export declare function resolveContextWindowInfo(params: {
    contextTokens?: number;
    defaultTokens: number;
}): ContextWindowInfo;
export type ContextWindowGuardResult = ContextWindowInfo & {
    shouldWarn: boolean;
    shouldBlock: boolean;
};
export declare function evaluateContextWindowGuard(params: {
    info: ContextWindowInfo;
    warnBelowTokens?: number;
    hardMinTokens?: number;
}): ContextWindowGuardResult;
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