import { QueryExecutionResult, QueryState } from '../../services/nlq/nlq-service';
import { HttpClient } from '@sisense/sdk-rest-client';
/**
 * Layer-2 NLQ fallback when wire `chartState` is disabled (`isNlqDeltaEnabled === false`):
 * prepend a machine-readable JSON snapshot of the prior structural state, then the user's
 * prompt. NLQ receives a single `text` field (no `chartState`). Truncate very large states
 * to cap token growth; truncation is logged.
 */
export declare function augmentNlqTextWithPriorState(userText: string, priorState: QueryState): {
    text: string;
    truncated: boolean;
};
/** Call NLQ V3 smartQuery API; maps wire `chartState` to domain `queryState`. */
export declare function executeNlqV3Query(dataSourceTitle: string, queryPrompt: string, httpClient?: HttpClient, commonFilters?: unknown, priorQueryState?: QueryState, isNlqDeltaEnabled?: boolean): Promise<QueryExecutionResult | null>;
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