/** Parse --key=value flags from args */
export declare function parseFlags(args: string[]): Record<string, string>;
/**
 * Read body content from file flags.
 * Returns { body?, html?, markdown? } for SendOptions.
 */
export declare function readBodyFlags(flags: Record<string, string>): {
    body?: string;
    html?: string;
    markdown?: string;
};
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