method MagickImage.prototype.inverseSigmoidalContrastimport { MagickImage } from "https://dotland.deno.dev/x/lume@v1.14.1/deps/imagick.ts"; inverseSigmoidalContrast(contrast: number): voidinverseSigmoidalContrast(contrast: number, midpointPercentage: Percentage): voidinverseSigmoidalContrast(contrast: number, midpoint: number): voidinverseSigmoidalContrast(contrast: number,midpoint: number,channels: Channels,): voidParameterscontrast: numberReturnsvoidParameterscontrast: numbermidpointPercentage: PercentageReturnsvoidParameterscontrast: numbermidpoint: numberReturnsvoidParameterscontrast: numbermidpoint: numberchannels: ChannelsReturnsvoid