import type { ComponentType } from 'react';
import type { Node } from '../types.ts';
export declare function assertIsNode(node: unknown, { expectation, isNot }: {
    expectation: string;
    isNot?: boolean;
}): void;
export declare function assertIsType(type: unknown, { expectation, isNot }: {
    expectation: string;
    isNot?: boolean;
}): void;
export declare function diffs(element: Node<any, any>[], props: Record<string, any>, expand?: boolean): string;
export declare function printType(type: string | ComponentType<any>): string;
export declare function diffPropsForNode(node: Node<any, any>, props: Record<string, any>, { expand }: {
    expand?: boolean | undefined;
}): string | null;
export declare function getObjectSubset(object: any, subset: any): any;
export declare function pluralize(word: string, count: number): string;
export declare function printReceivedWithHighlight(text: string, start: number, length: number): string;
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