/**
 * Get EDT Info Tool
 * Extract Extended Data Type (EDT) properties from AxEdt metadata
 *
 * Standard mode: C# bridge (IMetadataProvider) — 100% reliable, always available on VM.
 * Hierarchy mode: SQLite (edt_metadata table) — ancestor chain walk + children + field usages.
 */
import type { CallToolRequest } from '@modelcontextprotocol/sdk/types.js';
import type { XppServerContext } from '../../types/context.js';
export declare function getEdtInfoTool(request: CallToolRequest, context: XppServerContext): Promise<{
    content: {
        type: string;
        text: string;
    }[];
    isError: boolean;
} | {
    content: {
        type: string;
        text: string;
    }[];
}>;
/**
 * The string size `edtName` has according to the symbol index: its own when `edt_metadata`
 * stores one, otherwise the nearest `extends` ancestor's -- with the EDT that declares it.
 * Null when nothing on the chain stores a size (a non-string EDT, or one the index lacks).
 *
 * This is the only way to answer "how long is this field" without the bridge: the index keeps
 * a field's EDT, not its length, and a derived EDT usually declares no size of its own
 * (CustName declares none and is DirPartyName's 160). Same limitation as
 * {@link resolveIndexedStringSize}: a declared size that the platform overrides is reported
 * as declared.
 */
export declare function indexedEdtStringSize(db: any, edtName: string | undefined | null, seen?: Set<string>): {
    value: string;
    declaredBy: string;
} | null;
/**
 * What an index-derived string size does not account for. The index stores no size for an
 * EDT extension, and an extension may change StringSize -- so the number is the base
 * metadata's, and a model that extends the EDT can make it larger.
 */
export declare const INDEXED_SIZE_CAVEAT: string;
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