export declare function aEqualB(a: string, b: string): boolean;
export declare function aLessThanB(a: string, b: string): boolean;
export declare function aLessThanOrEqualB(a: string, b: string): boolean;
export declare function aGreaterThanB(a: string, b: string): boolean;
export declare function aGreaterThanOrEqualB(a: string, b: string): boolean;
export declare function addABPositive(a: string, b: string): string;
export declare function addABNegative(a: string, b: string): string;
export declare function addAPositiveBNegative(a: string, b: string): string;
export declare function addANegativeBPositive(a: string, b: string): string;
export declare function add(a: string, b: string): string;
export declare function minusAGreaterThanBPositive(a: string, b: string): string;
export declare function minusAGreaterThanBNegative(a: string, b: string): string;
export declare function minusALessThanBPositive(a: string, b: string): string;
export declare function minusALessThanBNegative(a: string, b: string): string;
export declare function minusAPositiveBNagetive(a: string, b: string): string;
export declare function minusANegativeBPositive(a: string, b: string): string;
export declare function multiplication(a: string, b: string): string;