import ColumnTable from 'arquero/dist/types/table/column-table';
import { ColumnInfo, EAggregateTypes, EColumnTypes, VisCategoricalValue, VisColumn, VisNumericalValue } from '../interfaces';
import { IHeatmapConfig } from './interfaces';
export declare function heatmapMergeDefaultConfig(columns: VisColumn[], config: IHeatmapConfig): IHeatmapConfig;
export declare function rollupByAggregateType(tempTable: ColumnTable, aggregateType: EAggregateTypes): ColumnTable;
export declare function getHeatmapData(columns: VisColumn[], catColumnDesc: ColumnInfo[], aggColumnDesc: ColumnInfo): Promise<{
    catColumn: {
        resolvedValues: (VisNumericalValue | VisCategoricalValue)[];
        type: EColumnTypes.NUMERICAL | EColumnTypes.CATEGORICAL;
        info: ColumnInfo;
    }[];
    aggregateColumn: {
        resolvedValues: (VisNumericalValue | VisCategoricalValue)[];
        type: EColumnTypes.NUMERICAL | EColumnTypes.CATEGORICAL;
        info: ColumnInfo;
    };
}>;
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