import { type ExtensionAPI, type ExtensionContext, type SessionBoundaryDraft, type SettingsManager } from "@earendil-works/pi-coding-agent";
/** Remaining tokens in the provider's active window, or null without a usable estimate. */
export declare function remainingTokens(ctx: Pick<ExtensionContext, "sessionManager" | "getContextUsage" | "model">): number | null;
export declare function registerBudget(pi: ExtensionAPI, isEnabled: () => boolean, settingsManager?: SettingsManager, onCloseOut?: (windowId: string) => void): {
    automaticResetEnabled: (ctx: ExtensionContext) => boolean;
    hardReserveDue: (ctx: ExtensionContext) => boolean;
    consumeTurnEnd: (ctx: ExtensionContext) => SessionBoundaryDraft[];
    /** The same close-out countdown the model sees, for user-facing status; null when usage is unknown. */
    statusFor: (ctx: ExtensionContext) => {
        remaining: number | null;
    };
    clear: () => void;
};