export declare function between(actual: any, expected: any): boolean;
export declare function contains(actual: any, expected: any): any;
export declare function eq(actual: any, expected: any): boolean;
export declare function falsy(actual: any): boolean;
export declare function gt(actual: any, expected: any): boolean;
export declare function gte(actual: any, expected: any): boolean;
export declare function lt(actual: any, expected: any): boolean;
export declare function lte(actual: any, expected: any): boolean;
export declare function ne(actual: any, expected: any): boolean;
export declare function notBetween(actual: any, expected: any): boolean;
export declare function regexp(actual: any, expected: any): boolean;
export declare function truthy(actual: any): boolean;