import { PrepareContext, RequiredConfig, Rule, ToStringContext } from "../config";
declare function isFunction(data: unknown): data is Function;
export declare class MinimumFunctionRule implements Rule<Function> {
    test: typeof isFunction;
    toString(this: this, data: Function, __config: RequiredConfig, __context: ToStringContext): string;
}
export declare class LesserFunctionRule implements Rule<Function> {
    test: typeof isFunction;
    toString(this: this, data: Function, __config: RequiredConfig): string;
}
export declare class MajorFunctionRule implements Rule<Function> {
    test: typeof isFunction;
    toString(this: this, data: Function, __config: RequiredConfig, __context: ToStringContext): string;
}
export declare class MaximumFunctionRule implements Rule<Function> {
    test: typeof isFunction;
    prepare(this: this, data: Function, config: RequiredConfig, context: PrepareContext): void;
    toString(this: this, data: Function, config: RequiredConfig, context: ToStringContext): string;
}
export {};