import { ExecutionContext, ModuleMetadata, Type } from '@nestjs/common/interfaces';
import { ThrottlerStorage } from './throttler-storage.interface';
import { ThrottlerLimitDetail } from './throttler.guard.interface';
export type Resolvable<T extends number | string | boolean> = T | ((context: ExecutionContext) => T | Promise<T>);
export interface ThrottlerOptions {
    name?: string;
    limit: Resolvable<number>;
    ttl: Resolvable<number>;
    blockDuration?: Resolvable<number>;
    ignoreUserAgents?: RegExp[];
    skipIf?: (context: ExecutionContext) => boolean;
    getTracker?: ThrottlerGetTrackerFunction;
    generateKey?: ThrottlerGenerateKeyFunction;
    setHeaders?: boolean;
}
export type ThrottlerModuleOptions = Array<ThrottlerOptions> | {
    ignoreUserAgents?: RegExp[];
    skipIf?: (context: ExecutionContext) => boolean;
    getTracker?: ThrottlerGetTrackerFunction;
    generateKey?: ThrottlerGenerateKeyFunction;
    errorMessage?: string | ((context: ExecutionContext, throttlerLimitDetail: ThrottlerLimitDetail) => string);
    storage?: ThrottlerStorage;
    throttlers: Array<ThrottlerOptions>;
    setHeaders?: boolean;
};
export interface ThrottlerOptionsFactory {
    createThrottlerOptions(): Promise<ThrottlerModuleOptions> | ThrottlerModuleOptions;
}
export interface ThrottlerAsyncOptions extends Pick<ModuleMetadata, 'imports'> {
    useExisting?: Type<ThrottlerOptionsFactory>;
    useClass?: Type<ThrottlerOptionsFactory>;
    useFactory?: (...args: any[]) => Promise<ThrottlerModuleOptions> | ThrottlerModuleOptions;
    inject?: any[];
}
export type ThrottlerGetTrackerFunction = (req: Record<string, any>, context: ExecutionContext) => Promise<string> | string;
export type ThrottlerGenerateKeyFunction = (context: ExecutionContext, trackerString: string, throttlerName: string) => string;