import { SimpleChanges } from '@angular/core';
import { RelationsComponent } from '@anglr/dynamic/relations';
import { MathSubtractRelationsOptions } from './subtract.options';
export declare class MathSubtractRelations implements RelationsComponent<MathSubtractRelationsOptions> {
    input1: number | null | undefined;
    input2: number | null | undefined;
    result: number | null | undefined;
    relationsOptions: MathSubtractRelationsOptions | undefined;
    invalidateVisuals(): void;
    ngOnChanges(changes: SimpleChanges): void;
}
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