/**
 * Reads the SAM template at projectRoot/src/server/lambda/template.yaml and returns
 * the logical resource name of the first AWS::Serverless::Function (or the single
 * resource key under Resources when there is only one).
 * @param projectRoot - Root path of the bot project
 * @returns The logical function name (e.g. "BotonicV2LocalLambda")
 * @throws Error when the file is missing, unreadable, or has no Lambda resource
 */
export declare function getLocalLambdaFunctionName(projectRoot: string): string;