void noFolding(
String name
)

Disables folding for the header named name when sending the HTTP header. By default, multiple header values are folded into a single header line by separating the values with commas. The 'set-cookie' header has folding disabled by default.

Source

/**
 * Disables folding for the header named [name] when sending the HTTP
 * header. By default, multiple header values are folded into a
 * single header line by separating the values with commas. The
 * 'set-cookie' header has folding disabled by default.
 */
void noFolding(String name);