You can search for identifiers within the package.
in-package search v0.2.0
module Span_id = Opentelemetry.Span_id
module Trace_id = Opentelemetry.Trace_id
module Event = Opentelemetry.Event
module Span = Opentelemetry.Span
module Globals = Opentelemetry.Globals
module Timestamp_ns = Opentelemetry.Timestamp_ns
module GC_metrics = Opentelemetry.GC_metrics
module Trace_context = Opentelemetry.Trace_context
module Trace : sig ... end
module Metrics : sig ... end