/**
 * will calculate the approximate volume to be collected
 * for a decoction in order to increase the mash temperature
 * to the target temperature.
 * @param {number} startingTemperature starting temperature of the mash in degrees fahrenheit
 * @param {number} targetTemperature temperature to raise the mash to in degrees fahrenheit
 * @param {number} mashVolume volume of the mash (including grains and strike water).
 * @param {number} boilingPoint for the elivation being brewed at, the boiling point of water, defaults to 212.
 * @returns {number} volume in gallons of mash be collected for a single decoction step
 */
export default function decoctionVolumeForStep(startingTemperature: number, targetTemperature: number, mashVolume: number, boilingPoint?: number): number;