export type LlmPolicy = 'auto' | 'force';
export interface SubQueryDecisionInput {
    allowLlm: boolean;
    policy?: LlmPolicy;
    resultSizeBytes: number;
    minResultBytes?: number;
}
export interface SubQueryDecision {
    shouldRun: boolean;
    reason?: string;
}
/**
 * Decide whether to run LLM sub_query based on policy and result size.
 */
export declare function decideSubQueryExecution(input: SubQueryDecisionInput): SubQueryDecision;
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