method MagickImage.prototype.contrastStretchRe-exportimport { MagickImage } from "https://deno.land/x/imagemagick_deno@0.0.19/mod.ts"; contrastStretch(blackPoint: Percentage): voidcontrastStretch(blackPoint: Percentage, whitePoint: Percentage): voidParametersblackPoint: PercentageReturnsvoidParametersblackPoint: PercentagewhitePoint: PercentageReturnsvoid