import type { ReductionFunctionDefinition } from '.';
export declare const kurtosisReductionFunction: ReductionFunctionDefinition<'kurtosis'>;
export declare const eccessKurtosisReductionFunction: ReductionFunctionDefinition<'excess-kurtosis'>;
export declare const sampleKurtosisReductionFunction: ReductionFunctionDefinition<'sample-kurtosis'>;
export declare const sampleExcessKurtosisReductionFunction: ReductionFunctionDefinition<'sample-excess-kurtosis'>;