import(
       KEGGgraph,
       Rgraphviz,
       KEGGREST,
       methods,
       graph
       )


importFrom(png, readPNG)
importFrom(AnnotationDbi, mget, select)
importFrom(utils, data, installed.packages, read.delim)
importFrom(XML, xmlAttrs, xmlChildren, xmlName, xmlRoot, xmlTreeParse)
importFrom(grDevices, col2rgb, dev.off, pdf, png, rgb)
importFrom(graphics, image, layout, par, polygon,
           rasterImage, rect, segments, text)
importFrom(stats, IQR, rnorm)


export(
       download.kegg,
       node.info,
       combineKEGGnodes, reaction2edge,

       node.map,
       eg2id, id2eg, geneannot.map,
       cpdkegg2name, cpdname2kegg, cpd2kegg, cpdidmap,
       kegg.species.code,
       mol.sum,
       sim.mol.data,

       node.color, col.key,
       
       wordwrap, strfit,

       pathview,
       keggview.native,
       keggview.graph
       )
