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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def json(self):
 """Serialise the document to a ``dict`` ready for serialisation to JSON. Example:: import json jsondoc = json.dumps(doc.json()) """

        self.pendingvalidation()

        jsondoc = {'id': self.id, 'children': [], 'declarations': self.jsondeclarations() }
        if self.version:
            jsondoc['version'] = self.version
        else:
            jsondoc['version'] = FOLIAVERSION
        jsondoc['generator'] = 'pynlpl.formats.folia-v' + LIBVERSION

        for text in self.data:
            jsondoc['children'].append(text.json())
        return jsondoc