import { Func0, Func1, Func2, Func3 } from '@cotto/utils.ts';
export declare const defer: <R>(f: Func0<R>) => Promise<R>;
export declare function toKebabCase(s: string): string;
export declare function invokeCallback(..._args: any[]): void;
export declare function proxy(filter: Func0<boolean>): (...funcs: Func0<any>[]) => Func0<void>;
export declare function proxy<A1>(filter: Func1<A1, boolean>): (...funcs: Func1<A1, any>[]) => Func1<any, void>;
export declare function proxy<A1, A2>(filter: Func2<A1, A2, boolean>): (...funcs: Func2<A1, A2, any>[]) => Func2<any, any, void>;
export declare function proxy<A1, A2, A3>(filter: Func3<A1, A2, A3, boolean>): (...funcs: Func3<A1, A2, A3, any>[]) => Func3<any, any, any, void>;
export declare function cond(...pairs: [Function, Function][]): (a: any, b?: any, c?: any) => any;
export declare namespace cond {
    interface Pred<T> {
        (value: any, ...args: any[]): value is T;
    }
    interface Task<T> {
        (value: T, ...args: any[]): void;
    }
    function when<T>(pred: Pred<T>, task: Task<T>): [Pred<T>, Task<T>];
}
export declare function attach<T, K extends keyof T>(key: K, creator: (value: T, a?: any, b?: any) => T[K]): (this: any, value: T, ..._extra: any[]) => T;
export interface Visitor<T, C = any, R = any> {
    (node: T, parent: T | null, context?: C): R;
}
export interface Director<T, C> extends Visitor<T, C, boolean> {
}
export interface Walker<T, C = any> {
    (node: T, parent: T | null, context?: C, director?: Director<T, C>): T;
}
export interface Node<T> {
    children: T[];
}
export declare function createTreeWalker<T extends Node<T>, C = any>(...visitor: Visitor<T, C>[]): Walker<T, C>;
export declare function createQueue(scheduler?: (f: Function) => void, debounceTime?: number, maxDebounceSize?: number): {
    enqueue: (f: Function) => Function;
    process: (done?: any) => void;
};
export declare function html(strings: TemplateStringsArray, ...values: any[]): string;