export declare const isSystemMessage: (message: any) => boolean; export declare const isCustomerMessage: (message: any) => boolean; export declare const getMessageRole: (message: any) => string; export declare const isClientIdNotFoundErrorMessage: (e: any) => boolean; export declare const isNotEmpty: (value: string | null) => boolean; export declare const getRuntimeId: (externalRuntimeId: string | null) => string; export declare const isJsonObject: (input: string) => boolean; export declare const messageContentMetadata: (message: string) => string;