/**
 * Pet sprite renderer module.
 *
 * Manages the CSS custom properties that drive the sprite sheet animation
 * on the #pet-sprite element. The states array is embedded inline because
 * this runs in the Electron renderer context which may not have module
 * resolution for the shared types package.
 */
/**
 * Sets the sprite sheet URL on the pet element via the --sprite-url CSS variable.
 */
export declare function setSpriteImage(url: string): void;
/**
 * Switches the pet animation to the state identified by `stateId`.
 * Updates --sprite-row, --sprite-frames, and --sprite-duration.
 *
 * Restarts the animation by removing/re-adding the animation name so
 * the browser replays it from frame 0.
 */
export declare function setPetAction(stateId: string): void;
/**
 * Returns the #pet-sprite HTMLElement, or null if not found.
 */
export declare function getPetElement(): HTMLElement | null;
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