import * as Promise from 'bluebird';
export declare const nativeFactTypeTemplates: {
    equality: {
        'is equal to': (from: string, to: string) => string[];
        equals: (from: string, to: string) => string[];
    };
    comparison: {
        'is greater than': (from: string, to: string) => string[];
        'is greater than or equal to': (from: string, to: string) => string[];
        'is less than': (from: string, to: string) => string[];
        'is less than or equal to': (from: string, to: string) => string[];
        'is equal to': (from: string, to: string) => string[];
        equals: (from: string, to: string) => string[];
    };
};
export declare const validate: {
    checkRequired: <T>(validateFn: (value: any) => T) => (arg1: any, arg2: boolean) => Promise<T | null>;
    integer: (arg1: any, arg2: boolean) => Promise<number | null>;
    text: (length?: number | undefined) => (arg1: any, arg2: boolean) => Promise<string | null>;
    date: (arg1: any, arg2: boolean) => Promise<Date | null>;
};