import type { StitchToolClientSpec } from './spec/client.js';
import { type UploadInput, type UploadResult, type UploadSpec } from './spec/upload.js';
/**
 * Handler for the upload capability — implements UploadSpec.
 * Never throws. All failures return an UploadResult value with a classified error code.
 */
export declare class UploadHandler implements UploadSpec {
    private readonly client;
    constructor(client: StitchToolClientSpec);
    execute(projectId: string, input: UploadInput): Promise<UploadResult>;
}
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