type HookCallback = (...arguments_: any) => Promise<void> | void;
interface Hooks {
    [key: string]: HookCallback;
}
type HookKeys<T> = keyof T & string;
type DeprecatedHook<T> = {
    message?: string;
    to: HookKeys<T>;
};
type DeprecatedHooks<T> = {
    [name in HookKeys<T>]: DeprecatedHook<T>;
};
type ValueOf<C> = C extends Record<any, any> ? C[keyof C] : never;
type Strings<T> = Exclude<keyof T, number | symbol>;
type KnownKeys<T> = keyof {
    [K in keyof T as string extends K ? never : number extends K ? never : K]: never;
};
type StripGeneric<T> = Pick<T, KnownKeys<T> extends keyof T ? KnownKeys<T> : never>;
type OnlyGeneric<T> = Omit<T, KnownKeys<T> extends keyof T ? KnownKeys<T> : never>;
type Namespaces<T> = ValueOf<{
    [key in Strings<T>]: key extends `${infer Namespace}:${string}` ? Namespace : never;
}>;
type BareHooks<T> = ValueOf<{
    [key in Strings<T>]: key extends `${string}:${string}` ? never : key;
}>;
type HooksInNamespace<T, Namespace extends string> = ValueOf<{
    [key in Strings<T>]: key extends `${Namespace}:${infer HookName}` ? HookName : never;
}>;
type WithoutNamespace<T, Namespace extends string> = {
    [key in HooksInNamespace<T, Namespace>]: `${Namespace}:${key}` extends keyof T ? T[`${Namespace}:${key}`] : never;
};
type NestedHooks<T> = (Partial<StripGeneric<T>> | Partial<OnlyGeneric<T>>) & Partial<{
    [key in Namespaces<StripGeneric<T>>]: NestedHooks<WithoutNamespace<T, key>>;
}> & Partial<{
    [key in BareHooks<StripGeneric<T>>]: T[key];
}>;

type InferCallback<HT, HN extends keyof HT> = HT[HN] extends HookCallback ? HT[HN] : never;
type InferSpyEvent<HT extends Record<string, any>> = {
    [key in keyof HT]: {
        name: key;
        args: Parameters<HT[key]>;
        context: Record<string, any>;
    };
}[keyof HT];
declare class Hookable<HooksT extends Record<string, any> = Record<string, HookCallback>, HookNameT extends HookKeys<HooksT> = HookKeys<HooksT>> {
    private _hooks;
    private _before?;
    private _after?;
    private _deprecatedHooks;
    private _deprecatedMessages?;
    constructor();
    hook<NameT extends HookNameT>(name: NameT, function_: InferCallback<HooksT, NameT>, options?: {
        allowDeprecated?: boolean;
    }): () => void;
    hookOnce<NameT extends HookNameT>(name: NameT, function_: InferCallback<HooksT, NameT>): () => void;
    removeHook<NameT extends HookNameT>(name: NameT, function_: InferCallback<HooksT, NameT>): void;
    deprecateHook<NameT extends HookNameT>(name: NameT, deprecated: HookKeys<HooksT> | DeprecatedHook<HooksT>): void;
    deprecateHooks(deprecatedHooks: Partial<Record<HookNameT, DeprecatedHook<HooksT>>>): void;
    addHooks(configHooks: NestedHooks<HooksT>): () => void;
    removeHooks(configHooks: NestedHooks<HooksT>): void;
    removeAllHooks(): void;
    callHook<NameT extends HookNameT>(name: NameT, ...arguments_: Parameters<InferCallback<HooksT, NameT>>): Promise<any>;
    callHookParallel<NameT extends HookNameT>(name: NameT, ...arguments_: Parameters<InferCallback<HooksT, NameT>>): Promise<any[]>;
    callHookWith<NameT extends HookNameT, CallFunction extends (hooks: HookCallback[], arguments_: Parameters<InferCallback<HooksT, NameT>>) => any>(caller: CallFunction, name: NameT, ...arguments_: Parameters<InferCallback<HooksT, NameT>>): ReturnType<CallFunction>;
    beforeEach(function_: (event: InferSpyEvent<HooksT>) => void): () => void;
    afterEach(function_: (event: InferSpyEvent<HooksT>) => void): () => void;
}
declare function createHooks<T extends Record<string, any>>(): Hookable<T>;

declare function flatHooks<T>(configHooks: NestedHooks<T>, hooks?: T, parentName?: string): T;
declare function mergeHooks<T>(...hooks: NestedHooks<T>[]): T;
declare function serial<T>(tasks: T[], function_: (task: T) => Promise<any> | any): Promise<any>;
/** @deprecated */
declare function serialCaller(hooks: HookCallback[], arguments_?: any[]): Promise<void>;
/** @deprecated */
declare function parallelCaller(hooks: HookCallback[], args?: any[]): Promise<void[]>;

interface CreateDebuggerOptions {
    /** An optional tag to prefix console logs with */
    tag?: string;
    /**
     * Show hook params to the console output
     *
     * Enabled for browsers by default
     */
    inspect?: boolean;
    /**
     * Use group/groupEnd wrapper around logs happening during a specific hook
     *
     * Enabled for browsers by default
     */
    group?: boolean;
    /** Filter which hooks to enable debugger for. Can be a string prefix or fn. */
    filter?: string | ((event: string) => boolean);
}
/** Start debugging hook names and timing in console */
declare function createDebugger(hooks: Hookable<any>, _options?: CreateDebuggerOptions): {
    /** Stop debugging and remove listeners */
    close: () => void;
};

export { CreateDebuggerOptions, DeprecatedHook, DeprecatedHooks, HookCallback, HookKeys, Hookable, Hooks, NestedHooks, createDebugger, createHooks, flatHooks, mergeHooks, parallelCaller, serial, serialCaller };