/**
 * Copyright 2018, OpenCensus Authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */ import { Stats } from '../../stats/types' ; import { Span , TracerBase } from '../model/types' ; /** Interface Plugin to apply patch. */ export interface Plugin { param moduleExports param tracer param version param options param basedir param stats enable < T > ( moduleExports , tracer , version , options , basedir ? , stats ? ) : T ; /** Method to disable the instrumentation  */ disable ( ) : void ; } /**
 * Function that can be provided to plugin in order to add custom
 * attributes to spans
 */ export interface CustomAttributeFunction { ( span , ... rest ) : void ; } export interface PluginConfig { [ key ] : any ; applyCustomAttributesOnSpan ? : CustomAttributeFunction ; } export interface NamedPluginConfig { module : string ; config : PluginConfig ; } /**
 * Type PluginNames: each key should be the name of the module to trace,
 * and its value should be the name of the package  which has the
 * plugin implementation.
 */ export interface PluginNames { [ pluginName ] : string | NamedPluginConfig ; } export interface PluginInternalFilesVersion { [ pluginName ] : string ; } /**
 * Each key should be the name of the module to trace, and its value
 * a mapping of a property name to a internal plugin file name.
 */ export interface PluginInternalFiles { [ versions ] : PluginInternalFilesVersion ; }