import { AbstractDecimal } from '../AbstractDecimal';
import { DecimalSPI } from '../DecimalSPI';
/**
 *
 * @param spi
 * @param a
 * @param b
 */
export declare function compareOp<C, D extends AbstractDecimal<C>>(spi: DecimalSPI<C, D>, a: D, b: D): -1 | 0 | 1;
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