import type { Api, Model, ServiceTier } from "@caupulican/pi-ai";
export type FastModeKind = "service-tier";
interface FastModeSettings {
    getFastModeEnabled(provider: string): boolean | undefined;
    setFastModeEnabled(provider: string, enabled: boolean): void;
}
export interface FastModeSession {
    readonly model: Model<Api> | undefined;
    readonly settingsManager: FastModeSettings;
}
export interface FastModeStatus {
    available: boolean;
    changed: boolean;
    enabled: boolean;
    kind?: FastModeKind;
}
export declare function getFastModeStatus(session: FastModeSession): FastModeStatus;
export declare function setFastMode(session: FastModeSession, enabled: boolean): FastModeStatus;
export declare function toggleFastMode(session: FastModeSession): FastModeStatus;
export declare function resolveFastModeServiceTier(model: Model<Api>, preference: boolean | undefined): ServiceTier | undefined;
export {};
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