/**
 * Function that returns a CSS `calc()` addition string.
 * CSS vars will be automatically wrapped in `var()` if provided.
 *
 * ```ts
 * const styles = {
 *   // returns 'calc(var(--cnvs-sys-space-x1) + 0.125rem)'
 *   padding: calc.add("--cnvs-sys-space-x1", '0.125rem'),
 * }
 * ```
 *
 * @param augend
 * The base value. E.g. '1rem' or '--cnvs-sys-space-x4'
 *
 * @param addend
 * The value being added to the base. E.g. '1rem' or '--cnvs-sys-space-x4'
 *
 * @returns 'calc(augend + addend)'
 */
declare function add(augend: string, addend: string): string;
/**
 * Function that returns a CSS `calc()` subtraction string.
 * CSS vars will be automatically wrapped in `var()` if provided.
 *
 * ```ts
 * const styles = {
 *   // returns 'calc(var(--cnvs-sys-space-x1) - 0.125rem)'
 *   padding: calc.subtract("--cnvs-sys-space-x1", '0.125rem'),
 * }
 * ```
 *
 * @param minuend
 * The base value. E.g. '1rem' or '--cnvs-sys-space-x4'
 *
 * @param subtrahend
 * The value being subtracted from the base. E.g. '1rem' or '--cnvs-sys-space-x4'
 *
 * @returns 'calc(minuend - subtrahend)'
 */
declare function subtract(minuend: string, subtrahend: string): string;
/**
 * Function that returns a CSS `calc()` multiplication string.
 * CSS vars will be automatically wrapped in `var()` if provided.
 *
 * ```ts
 * const styles = {
 *   // returns 'calc(var(--cnvs-sys-space-x1) * 3)'
 *   padding: calc.multiply("--cnvs-sys-space-x1", 3),
 * }
 * ```
 *
 * @param multiplicand
 * The base value being multiplied. E.g. '1rem' or '--cnvs-sys-space-x1'
 *
 * @param multiplier
 * The value being multiplied to the base. E.g. 2 or '--cnvs-sys-space-x1'
 *
 * @returns 'calc(multiplicand * multiplier)'
 */
declare function multiply(multiplicand: string, multiplier?: string | number): string;
/**
 * Function that returns a CSS `calc()` division string
 * CSS vars will be automatically wrapped in `var()` if provided.
 *
 * ```ts
 * const styles = {
 *   // returns 'calc(var(--cnvs-sys-space-x1) / 2)'
 *   padding: calc.divide("--cnvs-sys-space-x1", 2),
 * }
 * ```
 *
 * @param dividend
 * The base value being divided.  E.g. '1rem' or '--cnvs-sys-space-x1'
 *
 * @param divisor
 * The divisor of the base value. E.g. 2 or '--cnvs-sys-space-x1'
 *
 * @returns 'calc(dividend / divisor)'
 */
declare function divide(dividend: string, divisor?: string | number): string;
/**
 * Function that negates the value of a CSS variable or value.
 * CSS vars will be automatically wrapped in `var()` if provided.
 *
 * ```ts
 * const styles = {
 *   // returns 'calc(var(--cnvs-sys-space-x4) * -1)'
 *   padding: negate('--cnvs-sys-space-x4');
 * }
 * ```
 *
 * @param value
 * The value being negated. E.g. '--cnvs-sys-space-x1' or '1rem'
 *
 * @param fallback
 * An optional fallback value for a CSS variable. E.g. '1rem'
 *
 * @returns 'calc(var(value) * -1)'
 */
declare function negate(value: string, fallback?: string): string;
export declare const calc: {
    add: typeof add;
    divide: typeof divide;
    multiply: typeof multiply;
    negate: typeof negate;
    subtract: typeof subtract;
};
export {};
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