export declare function capitalizeFirstLetter(str: string): string;
export declare function calcDelta(current: {
    [key: string]: any;
}, next: {
    [key: string]: any;
}, exclude: string[], strict: boolean): {
    [key: string]: any;
}[] | null;
export declare function diffToString(val: unknown): string;
export declare function debugConsole(formatter: unknown, ...args: unknown[]): void;
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