/**
 * Returns the lowest set bit of the given number's significand (where the lsb
 * is bit 0 and the msb is bit 52). If no bit is set (input === 0 or +-inf or
 * NaN) returns NaN.
 * See https://stackoverflow.com/a/35190288/2010061
 */
declare function getLowestSetBit(a: number): number;
/**
 * Returns the highest set bit of the given double. If no bit is set (input
 * === 0 or +/-inf or NaN) returns NaN.
 * See https://stackoverflow.com/a/35190288/2010061
 */
declare function getHighestSetBit(a: number): number;
export { getLowestSetBit, getHighestSetBit };