/**
 * Inline-image helper — convert a list of Firefly output URLs into MCP
 * `image` content blocks (base64-encoded), suitable for appending to a
 * CallToolResult.content array.
 *
 * Pulled out of generate-image / generate-similar / expand-image / fill-image
 * / generate-object-composite, all of which had the same ~22 lines of fetch +
 * Buffer.toString("base64") logic copy-pasted in.
 *
 * Fetch failures are logged and skipped — we don't want a single bad CDN
 * response to fail an entire multi-variation generation.
 */
import type { CallToolResult } from "@modelcontextprotocol/sdk/types.js";
/** Shape of a Firefly generation output we care about: it has an optional image.url. */
export interface InlineableOutput {
    image?: {
        url?: string;
    } | undefined;
}
/**
 * Fetch each output's image and return them as MCP `image` content blocks.
 * Outputs with no URL are skipped silently. Fetch failures are logged and
 * skipped (we do not throw — partial inlining is better than failing the
 * whole tool call when only one variant's CDN URL is flaky).
 */
export declare function inlineImagesFromOutputs(outputs: readonly InlineableOutput[]): Promise<CallToolResult["content"]>;
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