user: Describe Bpy.Types.Maskstripmodifier from the Blender manual or Python API, including usage steps and snippets.

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BooleanModifier(Modifier) BrightContrastModifier(StripModifier) Brush(ID) BrushCapabilities(bpy_struct) BrushCapabilitiesImagePaint(bpy_struct) BrushCapabilitiesSculpt(bpy_struct) BrushCapabilitiesVertexPaint(bpy_struct) BrushCapabilitiesWeightPaint(bpy_struct) BrushCurvesSculptSettings(bpy_struct) BrushGpencilSettings(bpy_struct) BrushTextureSlot(TextureSlot) BuildModifier(Modifier) ByteColorAttribute(Attribute) ByteColorAttributeValue(bpy_struct) ByteIntAttribute(Attribute) ByteIntAttributeValue(bpy_struct) CLIP_UL_tracking_objects(UIList) CURVES_UL_attributes(UIList) CacheFile(ID) CacheFileLayer(bpy_struct) CacheFileLayers(bpy_struct) CacheObjectPath(bpy_struct) CacheObjectPaths(bpy_struct) Camera(ID) CameraBackgroundImage(bpy_struct) CameraBackgroundImages(bpy_struct) CameraDOFSettings(bpy_struct) CameraSolverConstraint(Constraint) CameraStereoData(bpy_struct) CastModifier(Modifier) ChannelDriverVariables(bpy_struct) ChildOfConstraint(Constraint) ChildParticle(bpy_struct) ClampToConstraint(Constraint) ClothCollisionSettings(bpy_struct) ClothModifier(Modifier) ClothSettings(bpy_struct) ClothSolverResult(bpy_struct) CloudsTexture(Texture) Collection(ID) CollectionChild(bpy_struct) CollectionChildren(bpy_struct) CollectionExport(bpy_struct) CollectionExports(bpy_struct) CollectionLightLinking(bpy_struct) CollectionObject(bpy_struct) CollectionObjects(bpy_struct) CollectionProperty(Property) CollisionModifier(Modifier) CollisionSettings(bpy_struct) ColorBalanceModifier(StripModifier) ColorManagedDisplaySettings(bpy_struct) ColorManagedInputColorspaceSettings(bpy_struct) ColorManagedSequencerColorspaceSettings(bpy_struct) ColorManagedViewSettings(bpy_struct) ColorMapping(bpy_struct) ColorMixStrip(EffectStrip) ColorRamp(bpy_struct) ColorRampElement(bpy_struct) ColorRampElements(bpy_struct) ColorStrip(EffectStrip) CompositorNode(NodeInternal) CompositorNodeAlphaOver(CompositorNode) CompositorNodeAntiAliasing(CompositorNode) 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FunctionNodeReplaceString(FunctionNode) FunctionNodeRotateEuler(FunctionNode) FunctionNodeRotateRotation(FunctionNode) FunctionNodeRotateVector(FunctionNode) FunctionNodeRotationToAxisAngle(FunctionNode) FunctionNodeRotationToEuler(FunctionNode) FunctionNodeRotationToQuaternion(FunctionNode) FunctionNodeSeparateColor(FunctionNode) FunctionNodeSeparateMatrix(FunctionNode) FunctionNodeSeparateTransform(FunctionNode) FunctionNodeSliceString(FunctionNode) FunctionNodeStringLength(FunctionNode) FunctionNodeStringToValue(FunctionNode) FunctionNodeTransformDirection(FunctionNode) FunctionNodeTransformPoint(FunctionNode) FunctionNodeTransposeMatrix(FunctionNode) FunctionNodeValueToString(FunctionNode) GPENCIL_UL_annotation_layer(UIList) GPENCIL_UL_matslots(UIList) GPencilInterpolateSettings(bpy_struct) GPencilSculptGuide(bpy_struct) GPencilSculptSettings(bpy_struct) GREASE_PENCIL_UL_attributes(UIList) GREASE_PENCIL_UL_masks(UIList) GammaCrossStrip(EffectStrip) GaussianBlurStrip(EffectStrip) GeometryAttributeConstraint(Constraint) GeometryNode(NodeInternal) GeometryNodeAccumulateField(GeometryNode) GeometryNodeAttributeDomainSize(GeometryNode) GeometryNodeAttributeStatistic(GeometryNode) GeometryNodeBake(GeometryNode) GeometryNodeBlurAttribute(GeometryNode) GeometryNodeBoundBox(GeometryNode) GeometryNodeCameraInfo(GeometryNode) GeometryNodeCaptureAttribute(GeometryNode) GeometryNodeCollectionInfo(GeometryNode) GeometryNodeConvexHull(GeometryNode) GeometryNodeCornersOfEdge(GeometryNode) GeometryNodeCornersOfFace(GeometryNode) GeometryNodeCornersOfVertex(GeometryNode) GeometryNodeCurveArc(GeometryNode) GeometryNodeCurveEndpointSelection(GeometryNode) GeometryNodeCurveHandleTypeSelection(GeometryNode) GeometryNodeCurveLength(GeometryNode) GeometryNodeCurveOfPoint(GeometryNode) GeometryNodeCurvePrimitiveBezierSegment(GeometryNode) GeometryNodeCurvePrimitiveCircle(GeometryNode) GeometryNodeCurvePrimitiveLine(GeometryNode) GeometryNodeCurvePrimitiveQuadrilateral(GeometryNode) GeometryNodeCurveQuadraticBezier(GeometryNode) GeometryNodeCurveSetHandles(GeometryNode) GeometryNodeCurveSpiral(GeometryNode) GeometryNodeCurveSplineType(GeometryNode) GeometryNodeCurveStar(GeometryNode) GeometryNodeCurveToM