/**
 * Represents a structured parameter entry.
 *
 * @private type of ParameterSection
 */
type StructuredParameterEntry = {
    name: string;
    value: string;
    jsonValue: string | null;
};
/**
 * Formats the placeholder used in the prompt body for a parameter.
 *
 * @param name Parameter placeholder name.
 * @private function of ParameterSection
 */
declare function formatParameterPlaceholder(name: string): string;
/**
 * Builds the structured parameters section appended to the prompt.
 *
 * @param items Parameter entries to include.
 * @private function of ParameterSection
 */
declare function buildParametersSection(items: StructuredParameterEntry[]): string;
/**
 * Provides helpers for rendering structured parameter placeholders.
 *
 * @private helper of prompt notation
 */
export declare const ParameterSection: {
    formatParameterPlaceholder: typeof formatParameterPlaceholder;
    buildParametersSection: typeof buildParametersSection;
};
export {};