/**
 * @fileoverview Shared formatting helpers for tool format() functions.
 * @module mcp-server/tools/utils/format-helpers
 */
/**
 * Render study fields not already covered by the primary formatter.
 * `renderedPrefixes` uses dot-notation paths matching the study structure
 * (e.g., `"protocolSection.identificationModule.nctId"`).
 *
 * Returns indented lines suitable for appending after a study's primary output.
 */
export declare function formatRemainingStudyFields(study: Record<string, unknown>, renderedPrefixes: ReadonlySet<string>, { maxLines, maxValueLen }?: {
    maxLines?: number | undefined;
    maxValueLen?: number | undefined;
}): string[];
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