/**
 * Get the id of an asset to be used as Image source
 * @example <Image source={getAssetId("heart")} />)
 * @param assetName Name of the asset
 * @returns ID or -1
 *
 * @see findAssets
 */
export declare function getAssetId(assetName: string): any;
/**
 * Lists all assets containing the specified keyword
 * @param keyword
 * @returns asset names
 */
export declare function findAssets(keyword: string): string[];