import { ConfigProviderService, LoggerService } from '@node-c/core';
import { IAMAuthenticationOAuth2CompleteData, IAMAuthenticationOAuth2CompleteOptions, IAMAuthenticationOAuth2CompleteResult, IAMAuthenticationOAuth2GetPayloadsFromExternalTokensData, IAMAuthenticationOAuth2GetPayloadsFromExternalTokensResult, IAMAuthenticationOAuth2GetUserCreateAccessTokenConfigResult, 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> {
    protected configProvider: ConfigProviderService;
    protected logger: LoggerService;
    protected moduleName: string;
    protected serviceName: string;
    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>;
    getUserCreateAccessTokenConfig(): IAMAuthenticationOAuth2GetUserCreateAccessTokenConfigResult;
    initiate(data: IAMAuthenticationOAuth2InitiateData, options: IAMAuthenticationOAuth2InitiateOptions<InitiateContext>): Promise<IAMAuthenticationOAuth2InitiateResult>;
    verifyExternalAccessToken(data: IAMAuthenticationOAuth2VerifyExternalAccessTokenData): Promise<IAMAuthenticationOAuth2VerifyExternalAccessTokenResult>;
    protected verifyToken<DecodedTokenContent = unknown>(token: string, options?: {
        audiences?: string[];
        issuer?: string;
        secret?: string;
    }): Promise<{
        content?: DecodedTokenContent;
        error?: unknown;
    }>;
}