page-result-filter.pipe.ts
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	import { Pipe, PipeTransform } from '@angular/core';
	import { ResultRange } from './paginator-result-status';

	@Pipe({
	name: 'pageResultFilter'
	})
	export class PageResultFilterPipe implements PipeTransform {

	transform(results: any[], range: ResultRange): any[] {
	if (results.length <= range.start){
	return results;
	}
	return results.slice(range.start, range.end);
	}

	}