export declare type Converter<T> = (value: T) => string;
export declare type Operation<T = any> = (converter: Converter<T>) => string;
export interface Operator<T = any> {
    (...keys: T[]): Operation<T>;
}
export interface NullaryOperator<T = any> extends Operator<T> {
    (): Operation<T>;
}
export interface UnaryOperator<T = any> extends Operator<T> {
    (key: T): Operation<T>;
}
export interface BinaryOperator<T = any> extends Operator<T> {
    (a: T, b: T): Operation<T>;
}
export declare const all: NullaryOperator;
export declare const id: UnaryOperator;
export declare const partial: UnaryOperator;
export declare const lessThan: UnaryOperator;
export declare const greaterThan: UnaryOperator;
export declare const lessThanOrEqual: UnaryOperator;
export declare const greaterThanOrEqual: UnaryOperator;
export declare const equals: UnaryOperator;
export declare const between: BinaryOperator;