import type { ForceMeasurement, ForceUnit } from "./interfaces/callback.interface.js";
/**
 * Converts a force value between kg, lbs, and newtons.
 * @param value - The numeric force value in the source unit.
 * @param from - The unit of the input value.
 * @param to - The unit for the output value.
 * @returns The force value in the target unit.
 */
export declare function convertForce(value: number, from: ForceUnit, to: ForceUnit): number;
/**
 * Converts all numeric force fields in a ForceMeasurement from one unit to another.
 * Recurses one level into distribution.left / center / right.
 * Used internally by the device model when building notify payloads.
 */
export declare function convertForceMeasurement(measurement: ForceMeasurement, from: ForceUnit, to: ForceUnit): ForceMeasurement;
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