How to use the opentelemetry-api.src.opentelemetry.trace.__init__.TraceState.get_default function in opentelemetry-api

"""A list of key-value pairs representing vendor-specific trace info.

    Keys and values are strings of up to 256 printable US-ASCII characters.
    Implementations should conform to the `W3C Trace Context - Tracestate`_
    spec, which describes additional restrictions on valid field values.

    .. _W3C Trace Context - Tracestate:
        https://www.w3.org/TR/trace-context/#tracestate-field
    """

    @classmethod
    def get_default(cls) -> "TraceState":
        return cls()


DEFAULT_TRACE_STATE = TraceState.get_default()


def format_trace_id(trace_id: int) -> str:
    return "0x{:032x}".format(trace_id)


def format_span_id(span_id: int) -> str:
    return "0x{:016x}".format(span_id)


class SpanContext:
    """The state of a Span to propagate between processes.

    This class includes the immutable attributes of a :class:`.Span` that must
    be propagated to a span's children and across process boundaries.