# Source: src/ol/transformfunction.js

    goog.provide('ol.TransformFunction');

    /**
     * A transform function accepts an array of input coordinate values, an optional
     * output array, and an optional dimension (default should be 2).  The function
     * transforms the input coordinate values, populates the output array, and
     * returns the output array.
     *
     * @typedef {function(Array.<number>, Array.<number>=, number=): Array.<number>}
     * @todo api
     */
    ol.TransformFunction;