method MagickImage.prototype._sigmoidalContrastRe-exportimport { MagickImage } from "https://deno.land/x/lume@v1.19.1/deps/imagick.ts"; _sigmoidalContrast(sharpen: boolean,contrast: number,midpointOrPercentage?: number | Percentage,channelsOrUndefined?: Channels,): voidParameterssharpen: booleancontrast: numberoptionalmidpointOrPercentage: number | PercentageoptionalchannelsOrUndefined: ChannelsReturnsvoid