import { Abstract, ModuleMetadata, Type } from '@nestjs/common';
import { Attributes } from '@opentelemetry/api-metrics';
import { RouteInfo } from '@nestjs/common/interfaces';
export declare type OpenTelemetryModuleOptions = {
    metrics?: OpenTelemetryMetrics;
};
export interface IOpenTelemetryOptionsFactory {
    createOpenTelemetryOptions(): Promise<OpenTelemetryModuleOptions> | OpenTelemetryModuleOptions;
}
export interface IOpenTelemetryModuleAsyncOptions extends Pick<ModuleMetadata, 'imports'> {
    name?: string;
    useClass?: Type<IOpenTelemetryOptionsFactory>;
    useExisting?: Type<IOpenTelemetryOptionsFactory>;
    useFactory?: (...args: any[]) => Promise<OpenTelemetryModuleOptions> | OpenTelemetryModuleOptions;
    inject?: (string | symbol | ((...args: any[]) => any) | Type | Abstract<any>)[];
}
export declare type OpenTelemetryMetrics = {
    defaultMetrics?: boolean;
    hostMetrics?: boolean;
    apiMetrics?: {
        enable?: boolean;
        timeBuckets?: number[];
        requestSizeBuckets?: number[];
        responseSizeBuckets?: number[];
        defaultAttributes?: Attributes;
        ignoreRoutes?: (string | RouteInfo)[];
        ignoreUndefinedRoutes?: boolean;
    };
};