import { ConfigProviderService, LoggerService } from '@node-c/core';
import { IAMAuthenticationOAuth2CompleteData, IAMAuthenticationOAuth2CompleteOptions, IAMAuthenticationOAuth2CompleteResult, IAMAuthenticationOAuth2GetPayloadsFromExternalTokensData, IAMAuthenticationOAuth2GetPayloadsFromExternalTokensResult, IAMAuthenticationOAuth2GetUserAuthenticationConfigResult, IAMAuthenticationOAuth2InitiateData, IAMAuthenticationOAuth2InitiateOptions, IAMAuthenticationOAuth2InitiateResult, IAMAuthenticationOAuth2VerifyExternalAccessTokenData, IAMAuthenticationOAuth2VerifyExternalAccessTokenResult } from './iam.authenticationOAuth2.definitions';
import { IAMAuthenticationService } from '../authentication';
export declare class IAMAuthenticationOAuth2Service<CompleteContext extends object, InitiateContext extends object> extends IAMAuthenticationService<CompleteContext, InitiateContext> {
    constructor(configProvider: ConfigProviderService, logger: LoggerService, moduleName: string, serviceName: string);
    complete(data: IAMAuthenticationOAuth2CompleteData, _options: IAMAuthenticationOAuth2CompleteOptions<CompleteContext>): Promise<IAMAuthenticationOAuth2CompleteResult>;
    protected generateChallenge(codeVerifier: string): Promise<string>;
    protected generateUrlEncodedString(length: number): string;
    getPayloadsFromExternalTokens(data: IAMAuthenticationOAuth2GetPayloadsFromExternalTokensData): Promise<IAMAuthenticationOAuth2GetPayloadsFromExternalTokensResult>;
    getUserAuthenticationConfig(): IAMAuthenticationOAuth2GetUserAuthenticationConfigResult;
    initiate(data: IAMAuthenticationOAuth2InitiateData, options: IAMAuthenticationOAuth2InitiateOptions<InitiateContext>): Promise<IAMAuthenticationOAuth2InitiateResult>;
    verifyExternalAccessToken(data: IAMAuthenticationOAuth2VerifyExternalAccessTokenData): Promise<IAMAuthenticationOAuth2VerifyExternalAccessTokenResult>;
}