import { type SelectItem } from "@gajae-code/tui";
import type { PetTransportAvailability } from "./iterm-pet-transport";
export type PetPixelProtocol = "sixel" | "kitty" | "iterm";
export type PetRenderProtocol = PetPixelProtocol | "text";
export declare const PET_UNAVAILABLE_DESCRIPTION = "Unavailable";
export declare const PET_SAVED_UNAVAILABLE_DESCRIPTION = "Saved, unavailable \u2014 requires compatible Kitty or Sixel overlay rendering";
export declare const PET_UNAVAILABLE_WARNING = "\u26A0 Pets aren\u2019t available in this terminal. Its image support isn\u2019t compatible with Gajae Pet\u2019s overlay rendering yet. Try Kitty, Ghostty, WezTerm, or a terminal with compatible Sixel support.";
export declare function getPetUnavailableWarning(env?: NodeJS.ProcessEnv): string;
export declare function subscribeVerifiedItermPetAvailability(callback: (availability: PetTransportAvailability | undefined) => void): () => void;
export declare function setVerifiedItermPetAvailability(availability: PetTransportAvailability | undefined): void;
export declare function getItermPetAvailability(): PetTransportAvailability | undefined;
export declare function getVerifiedItermPetAvailability(): PetTransportAvailability | undefined;
export declare function getItermPetUnavailableReason(): string | undefined;
export declare function getPetPixelProtocol(): PetPixelProtocol | null;
export declare function isPetAvailable(): boolean;
/** Every terminal can render the conservative text-cell pet; pixels are optional. */
export declare function getPetRenderProtocol(): PetRenderProtocol;
export declare function createPetSelectItems(options: ReadonlyArray<SelectItem>, currentValue: string, available: boolean): SelectItem[];
export declare const PET_CAPABILITY_SETTLE_MS = 1000;
export declare function isPetCapabilityProbePending(env?: NodeJS.ProcessEnv, platform?: NodeJS.Platform): boolean;
export declare function warnWhenPetCapabilitySettled(options: {
    probePending: boolean;
    isAvailable?: () => boolean;
    onUnavailable: () => void;
    settleMs?: number;
}): () => void;