export type OmitUndefined<T> = T extends undefined ? never : T;
export type StringToBoolean<T> = T extends "true" | "false" ? boolean : T;
export type ConfigSchema<T> = Record<string, Record<string, T>>;
export type ConfigVariants<T, CS extends ConfigSchema<T>> = {
    [Variant in keyof CS]?: StringToBoolean<keyof CS[Variant]> | null | undefined;
};
export type Config<T, CS extends ConfigSchema<T>> = {
    base: T | T[];
    compoundVariants?: [ConfigVariants<T, CS>, T][];
    defaultVariants?: ConfigVariants<T, CS>;
    variants?: CS;
};
export interface VA {
    <T, CS extends ConfigSchema<T>>(config: Omit<Config<T, CS>, "base"> & {
        base: T;
    }): (props: ConfigVariants<T, CS>, extra?: T) => T;
}
export interface VA {
    <T, CS extends ConfigSchema<T>>(config: Omit<Config<T, CS>, "base"> & {
        base: T[];
    }): (props: ConfigVariants<T, CS>, extra?: T) => T[];
}
export declare const va: VA;