import type { DilutionInput, ReactorInput, HeatTransferInput } from './types.js';
/**
 * Runtime type guard for {@link DilutionInput} discriminated union.
 * Validates the `solveFor` discriminant and required fields for each variant.
 */
export declare function isDilutionInput(input: unknown): input is DilutionInput;
/**
 * Runtime type guard for {@link ReactorInput} discriminated union.
 * Validates the `shape` discriminant and required fields for each variant.
 */
export declare function isReactorInput(input: unknown): input is ReactorInput;
/**
 * Runtime type guard for {@link HeatTransferInput} discriminated union.
 * Validates the `mode` discriminant and required fields for each variant.
 */
export declare function isHeatTransferInput(input: unknown): input is HeatTransferInput;
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