convert this standard java object to a cos object . concode_field_sep PDFunction function concode_elem_sep PDColorSpace colorSpace concode_elem_sep int SHADING_TYPE6 concode_elem_sep int SHADING_TYPE7 concode_elem_sep int SHADING_TYPE4 concode_elem_sep int SHADING_TYPE5 concode_elem_sep COSDictionary dictionary concode_elem_sep PDRectangle bBox concode_elem_sep int SHADING_TYPE2 concode_elem_sep COSArray background concode_elem_sep int SHADING_TYPE3 concode_elem_sep int SHADING_TYPE1 concode_elem_sep PDFunction[] functionArray concode_field_sep PDRectangle getBBox concode_elem_sep PDFunction getFunction concode_elem_sep float[] evalFunction concode_elem_sep float[] evalFunction concode_elem_sep void setShadingType concode_elem_sep int getShadingType concode_elem_sep void setBBox concode_elem_sep void setBackground concode_elem_sep String getType concode_elem_sep void setFunction concode_elem_sep void setFunction concode_elem_sep PDShading create concode_elem_sep PDFunction[] getFunctionsArray concode_elem_sep void setAntiAlias concode_elem_sep boolean getAntiAlias concode_elem_sep COSDictionary getCOSDictionary concode_elem_sep COSArray getBackground concode_elem_sep void setColorSpace
COSBase function ( ) { return dictionary ; }