| AudioTrailFilterContainer | 
 Container for audio trail filters. 
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| ErrorContainer | 
 Container to send in case of errors. 
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| HeatmapFilterContainer | 
 Container for spectrum filters. 
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| MekaResultContainer | 
 A container for Result objects, with optional trained model. 
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| MOAClusteringContainer | 
 A container for clusterings made by a clusterer. 
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| MOAModelContainer | 
 A container for models (e.g., classifier or clusterer) and an optional
 header of a dataset. 
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| MOAPredictionContainer | 
 A container for predictions made by a classifier. 
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| TrailFilterContainer | 
 Container for spectrum filters. 
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