/**
 * Signs data
 * @param signingKey - The signingKey parameter
 * @param data - The data parameter
 * @returns Promise that resolves to void
 * @example
 * ```typescript
 * const result = await sign(signingKeyValue, dataValue);
 * ```
 */
export declare function sign(signingKey: CryptoKey, data: any): Promise<string>;
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