export declare function binary_operation(A: any, B: any, func: any): boolean;
export declare function extend<T extends any[]>(listA: T, listB: any[], chunkSize?: number): T;
export declare function ravel(A: any): any[];
export declare function allEq(A: any, B: any, nan_equal?: boolean): boolean;
export declare function allClose(A: any, B: any, rtol?: number, atol?: number, nan_equal?: boolean): boolean;
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