/**
 * Process a JSON template file with Handlebars.
 * @param jsonContent - The JSON content to process.
 * @param vars - The variables to substitute in the template.
 * @param options - Additional options.
 * @returns The processed JSON object.
 */
export declare function processTemplate(jsonContent: Record<string, any>, vars: Record<string, unknown>, options?: {
    failOnMissingVariable?: boolean;
}): Record<string, any>;