import { ValueOf } from 'type-fest';
declare const defaultSteps: readonly [-1, -0.5, 0, 1, 2, 3, 4, 5, 6];
export declare function modularScale<T extends number>(ratio: number, steps: T[]): {
    readonly [key in T]: string;
};
export declare function modularScale(ratio: number): {
    readonly [key in ValueOf<typeof defaultSteps, number>]: string;
};
declare type Negate<T extends number> = number & [0, -1, -2, -3, -4, -5, -6, -7, -8, -9, -10, -11, -12, -13, -14, -15, -16, -17, -18, -19, -20, -21, -22, -23, -24, -25, -26, -27, -28, -29, -30, -31, -32, -33, -34, -35, -36, -37, -38, -39, -40, -41, -42, -43, -44, -45, -46, -47, -48, -49, -50, -51, -52, -53, -54, -55, -56, -57, -58, -59, -60, -61, -62, -63, -64][T];
export declare function symmetricScale<T extends string | number>(nonNegativeTokens: {
    [key in T]: string | number;
}): {
    readonly [key in T | Negate<Extract<T, number>> | (T extends '1px' ? '-1px' : never)]: string | number;
};
export {};
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