class Metrics::Backend::Capture::Metric

def as_json
	{
		name: @name,
		type: @type,
		description: @description,
		unit: @unit,
		values: @values,
		tags: @tags.to_a.sort,
		sample_rates: @sample_rates.sort.uniq
	}
end

def emit(value, tags: nil, sample_rate: 1.0)
	@values << value
	@tags.merge(tags) if tags
	@sample_rates << sample_rate
end

def initialize(...)
	super
	
	@values = []
	@tags = Set.new
	@sample_rates = []
end

def to_json(...)
	as_json.to_json(...)
end