/**
 * Returns the given string with the first letter in upper case.
 *
 * @param input The string to convert.
 */
export declare function ucfirst(input: string): string;
/**
 * Rounds the given number to two decimals.
 *
 * @param input The number to round.
 */
export declare function roundToTwo(input: number): number;
export declare function negativeOneToInfinity(value: number): number;
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