{{alias}}( pkg )
    Returns the internal package name associated with a provided standalone
    package name.

    Parameters
    ----------
    pkg: string
        Standalone package name.

    Returns
    -------
    out: string|null
        Internal package name.

    Examples
    --------
    > var v = {{alias}}( '@stdlib/math-base-special-sin' )
    '@stdlib/math/base/special/sin'

    See Also
    --------