/**
 * Text used for displaying human-readable pi.
 */
export declare const PI_SIGIL = "\u03C0";
/**
 * Text used for displaying human-readable infinity.
 */
export declare const INFINITY_SIGIL = "\u221E";
/**
 * Text used for displaying human-readable negative infinity.
 */
export declare const NEG_INFINITY_SIGIL = "-\u221E";
export declare const REAL_SET_SIGIL = "\u211D";
export declare const INT_SET_SIGIL = "\u2124";
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