/**
 * @fileoverview Fetch a 2D structure diagram (PNG) for a PubChem compound.
 * @module mcp-server/tools/definitions/get-compound-image
 */
import { z } from '@cyanheads/mcp-ts-core';
import { JsonRpcErrorCode } from '@cyanheads/mcp-ts-core/errors';
export declare const getCompoundImage: import("@cyanheads/mcp-ts-core").ToolDefinition<z.ZodObject<{
    cid: z.ZodNumber;
    size: z.ZodDefault<z.ZodEnum<{
        large: "large";
        small: "small";
    }>>;
}, z.core.$strip>, z.ZodObject<{
    cid: z.ZodNumber;
    imageBase64: z.ZodString;
    mimeType: z.ZodString;
    width: z.ZodNumber;
    height: z.ZodNumber;
}, z.core.$strip>, readonly [{
    readonly reason: "cid_not_found";
    readonly code: JsonRpcErrorCode.NotFound;
    readonly thrownBy: "service";
    readonly when: "PubChem returned 404 for the requested CID";
    readonly recovery: "Verify the CID with pubchem_search_compounds before retrying.";
}], undefined>;
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