- from flask_restful import fields
 - 
 - from libs.helper import TimestampField
 - 
 - document_fields = {
 -     "id": fields.String,
 -     "data_source_type": fields.String,
 -     "name": fields.String,
 -     "doc_type": fields.String,
 - }
 - 
 - segment_fields = {
 -     "id": fields.String,
 -     "position": fields.Integer,
 -     "document_id": fields.String,
 -     "content": fields.String,
 -     "answer": fields.String,
 -     "word_count": fields.Integer,
 -     "tokens": fields.Integer,
 -     "keywords": fields.List(fields.String),
 -     "index_node_id": fields.String,
 -     "index_node_hash": fields.String,
 -     "hit_count": fields.Integer,
 -     "enabled": fields.Boolean,
 -     "disabled_at": TimestampField,
 -     "disabled_by": fields.String,
 -     "status": fields.String,
 -     "created_by": fields.String,
 -     "created_at": TimestampField,
 -     "indexing_at": TimestampField,
 -     "completed_at": TimestampField,
 -     "error": fields.String,
 -     "stopped_at": TimestampField,
 -     "document": fields.Nested(document_fields),
 - }
 - 
 - hit_testing_record_fields = {
 -     "segment": fields.Nested(segment_fields),
 -     "score": fields.Float,
 -     "tsne_position": fields.Raw,
 - }
 
 
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