/**
 * Recursively, change the value from another inside an object
 * @param obj Object
 * @param newVal New value
 * @param oldVal Old value
 */
export declare function changeValueInObject(obj: any, newVal: any, oldVal: any): void;
/**
 * Maps linear point from a given scale to another linear value in a different scale
 * f(x) = ((value - inputMin) / (inputMax - inputMin)) * (outputMax - outputMin) + outputMin
 * @param value {Number} value in input scale
 */
export declare const linearToLinear: (value: number, inputMinValue: number, inputMaxValue: number, outputMinValue: number, outputMaxValue: number) => number;
/**
 * Maps linear 0-1 point to logarithmic scale between min and max
 * f(0) = minValue
 * f(1) = maxValue
 * f(x) = (range + 1)^x + minValue
 * @param linearValue {Number} from 0 to 1 in linear scale
 */
export declare const linearToLogarithmic: (linearValue: number, minValue: number, maxValue: number) => number;
/**
 * Maps a logarithmic value to a fractional point between 0-1 on the scale
 * g(minValue) = 0
 * g(maxValue) = 1
 * g(x) = log(base range + 1)(x)
 * @param value {Number}
 */
export declare const logarithmicToLinear: (value: number, minValue: number, maxValue: number) => number;