/**
 * Francis Turbine Calculator - Main orchestrator
 */
import { FrancisResults } from './formulas';
import { FrancisOptions } from './io';
/**
 * Print results in human-readable format
 */
export declare const printResults: (results: FrancisResults) => void;
/**
 * Print results in JSON format
 */
export declare const printResultsJson: (results: FrancisResults) => void;
/**
 * Run the Francis Turbine calculator
 */
export declare const runFrancis: (options?: FrancisOptions) => Promise<void>;
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