import { Event } from '../../../util/vs/base/common/event';
import { CopilotToken, TokenError, TokenErrorReason } from './copilotToken';
export declare const ICopilotTokenManager: import("../../../util/common/services").ServiceIdentifier<ICopilotTokenManager>;
/**
 * @deprecated Use `IAuthenticationService` instead
 */
export interface ICopilotTokenManager {
    readonly _serviceBrand: undefined;
    /**
     * Event emitter that will fire an event every time a token refresh is requested.
     *
     * This is used for example in the repo enablement code (lib/src/enablement.ts),
     * where we need to clear the list of cached repos whenever we request a new token.
     */
    readonly onDidCopilotTokenRefresh: Event<void>;
    /**
     * Return a currently valid Copilot token, retrieving a fresh one if
     * necessary.
     *
     * Note that a Copilot token manager should not provide a Copilot token unless
     * telemetry consent has been obtained. If this is not checked by the token manager
     * implementation itself, then anything constructing or initialising it should not
     * do so without checking this. force will force a refresh of the token, even not expired
     */
    getCopilotToken(force?: boolean): Promise<CopilotToken>;
    /**
     * Drop the current Copilot token as we received an HTTP error while trying
     * to use it that indicates it's no longer valid.
     */
    resetCopilotToken(httpError?: number): void;
}
export declare function nowSeconds(): number;
export type NotGitHubLoginFailed = {
    kind: 'success';
} | {
    kind: 'failure';
    reason: Exclude<TokenErrorReason, 'GitHubLoginFailed'>;
};
/** Intended for use as an add-on to `CopilotTokenManager`,
 *  that checks that a valid Copilot token is available. For tests.
 */
export interface CheckCopilotToken {
    /** Check that the object has access to a valid Copilot token. */
    checkCopilotToken(): Promise<{
        status: 'OK';
    } | (TokenError & {
        reason: Exclude<TokenErrorReason, 'GitHubLoginFailed'>;
    })>;
}
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