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/** * @since 2.0.0 */ import type * as Duration from "./Duration.js"; import type * as Effect from "./Effect.js"; import type { LazyArg } from "./Function.js"; import type * as MetricBoundaries from "./MetricBoundaries.js"; import type * as MetricKey from "./MetricKey.js"; import type * as MetricKeyType from "./MetricKeyType.js"; import type * as MetricLabel from "./MetricLabel.js"; import type * as MetricPair from "./MetricPair.js"; import type * as MetricRegistry from "./MetricRegistry.js"; import type * as MetricState from "./MetricState.js"; import type { Pipeable } from "./Pipeable.js"; import type * as Types from "./Types.js"; /** * @since 2.0.0 * @category symbols */ export declare const MetricTypeId: unique symbol; /** * @since 2.0.0 * @category symbols */ export type MetricTypeId = typeof MetricTypeId; /** * A `Metric<Type, In, Out>` represents a concurrent metric which accepts * updates of type `In` and are aggregated to a stateful value of type `Out`. * * For example, a counter metric would have type `Metric<number, number>`, * representing the fact that the metric can be updated with numbers (the amount * to increment or decrement the counter by), and the state of the counter is a * number. * * There are five primitive metric types supported by Effect: * * - Counters * - Frequencies * - Gauges * - Histograms * - Summaries * * @since 2.0.0 * @category models */ export interface Metric<in out Type, in In, out Out> extends Metric.Variance<Type, In, Out>, Pipeable { /** * The type of the underlying primitive metric. For example, this could be * `MetricKeyType.Counter` or `MetricKeyType.Gauge`. */ readonly keyType: Type; unsafeUpdate(input: In, extraTags: ReadonlyArray<MetricLabel.MetricLabel>): void; unsafeValue(extraTags: ReadonlyArray<MetricLabel.MetricLabel>): Out; unsafeModify(input: In, extraTags: ReadonlyArray<MetricLabel.MetricLabel>): void; register(): this; <A extends In, E, R>(effect: Effect.Effect<A, E, R>): Effect.Effect<A, E, R>; } /** * @since 2.0.0 * @category models */ export interface MetricApply { <Type, In, Out>(keyType: Type, unsafeUpdate: (input: In, extraTags: ReadonlyArray<MetricLabel.MetricLabel>) => void, unsafeValue: (extraTags: ReadonlyArray<MetricLabel.MetricLabel>) => Out, unsafeModify: (input: In, extraTags: ReadonlyArray<MetricLabel.MetricLabel>) => void): Metric<Type, In, Out>; } /** * @since 2.0.0 */ export declare namespace Metric { /** * @since 2.0.0 * @category models */ interface Counter<In extends number | bigint> extends Metric<MetricKeyType.MetricKeyType.Counter<In>, In, MetricState.MetricState.Counter<In>> { } /** * @since 2.0.0 * @category models */ interface Gauge<In extends number | bigint> extends Metric<MetricKeyType.MetricKeyType.Gauge<In>, In, MetricState.MetricState.Gauge<In>> { } /** * @since 2.0.0 * @category models */ interface Frequency<In> extends Metric<MetricKeyType.MetricKeyType.Frequency, In, MetricState.MetricState.Frequency> { } /** * @since 2.0.0 * @category models */ interface Histogram<In> extends Metric<MetricKeyType.MetricKeyType.Histogram, In, MetricState.MetricState.Histogram> { } /** * @since 2.0.0 * @category models */ interface Summary<In> extends Metric<MetricKeyType.MetricKeyType.Summary, In, MetricState.MetricState.Summary> { } /** * @since 2.0.0 * @category models */ interface Variance<in out Type, in In, out Out> { readonly [MetricTypeId]: { readonly _Type: Types.Invariant<Type>; readonly _In: Types.Contravariant<In>; readonly _Out: Types.Covariant<Out>; }; } } /** * @since 2.0.0 * @category globals */ export declare const globalMetricRegistry: MetricRegistry.MetricRegistry; /** * @since 2.0.0 * @category constructors */ export declare const make: MetricApply; /** * Returns a new metric that is powered by this one, but which accepts updates * of the specified new type, which must be transformable to the input type of * this metric. * * @since 2.0.0 * @category mapping */ export declare const mapInput: { /** * Returns a new metric that is powered by this one, but which accepts updates * of the specified new type, which must be transformable to the input type of * this metric. * * @since 2.0.0 * @category mapping */ <In, In2>(f: (input: In2) => In): <Type, Out>(self: Metric<Type, In, Out>) => Metric<Type, In2, Out>; /** * Returns a new metric that is powered by this one, but which accepts updates * of the specified new type, which must be transformable to the input type of * this metric. * * @since 2.0.0 * @category mapping */ <Type, In, Out, In2>(self: Metric<Type, In, Out>, f: (input: In2) => In): Metric<Type, In2, Out>; }; /** * Represents a Counter metric that tracks cumulative numerical values over time. * Counters can be incremented and decremented and provide a running total of changes. * * **Options** * * - description - A description of the counter. * - bigint - Indicates if the counter uses 'bigint' data type. * - incremental - Set to 'true' for a counter that only increases. With this configuration, Effect ensures that non-incremental updates have no impact on the counter, making it exclusively suitable for counting upwards. * * @example * ```ts * import { Metric } from "effect" * * const numberCounter = Metric.counter("count", { * description: "A number counter" * }); * * const bigintCounter = Metric.counter("count", { * description: "A bigint counter", * bigint: true * }); * ``` * * @since 2.0.0 * @category constructors */ export declare const counter: { /** * Represents a Counter metric that tracks cumulative numerical values over time. * Counters can be incremented and decremented and provide a running total of changes. * * **Options** * * - description - A description of the counter. * - bigint - Indicates if the counter uses 'bigint' data type. * - incremental - Set to 'true' for a counter that only increases. With this configuration, Effect ensures that non-incremental updates have no impact on the counter, making it exclusively suitable for counting upwards. * * @example * ```ts * import { Metric } from "effect" * * const numberCounter = Metric.counter("count", { * description: "A number counter" * }); * * const bigintCounter = Metric.counter("count", { * description: "A bigint counter", * bigint: true * }); * ``` * * @since 2.0.0 * @category constructors */ (name: string, options?: { readonly description?: string | undefined; readonly bigint?: false | undefined; readonly incremental?: boolean | undefined; }): Metric.Counter<number>; /** * Represents a Counter metric that tracks cumulative numerical values over time. * Counters can be incremented and decremented and provide a running total of changes. * * **Options** * * - description - A description of the counter. * - bigint - Indicates if the counter uses 'bigint' data type. * - incremental - Set to 'true' for a counter that only increases. With this configuration, Effect ensures that non-incremental updates have no impact on the counter, making it exclusively suitable for counting upwards. * * @example * ```ts * import { Metric } from "effect" * * const numberCounter = Metric.counter("count", { * description: "A number counter" * }); * * const bigintCounter = Metric.counter("count", { * description: "A bigint counter", * bigint: true * }); * ``` * * @since 2.0.0 * @category constructors */ (name: string, options: { readonly description?: string | undefined; readonly bigint: true; readonly incremental?: boolean | undefined; }): Metric.Counter<bigint>; }; /** * Creates a Frequency metric to count occurrences of events. * Frequency metrics are used to count the number of times specific events or incidents occur. * * @example * ```ts * import { Metric } from "effect" * * const errorFrequency = Metric.frequency("error_frequency", { * description: "Counts the occurrences of errors." * }); * ``` * * @since 2.0.0 * @category constructors */ export declare const frequency: (name: string, options?: { readonly description?: string | undefined; readonly preregisteredWords?: ReadonlyArray<string> | undefined; } | undefined) => Metric.Frequency<string>; /** * Returns a new metric that is powered by this one, but which accepts updates * of any type, and translates them to updates with the specified constant * update value. * * @since 2.0.0 * @category constructors */ export declare const withConstantInput: { /** * Returns a new metric that is powered by this one, but which accepts updates * of any type, and translates them to updates with the specified constant * update value. * * @since 2.0.0 * @category constructors */ <In>(input: In): <Type, Out>(self: Metric<Type, In, Out>) => Metric<Type, unknown, Out>; /** * Returns a new metric that is powered by this one, but which accepts updates * of any type, and translates them to updates with the specified constant * update value. * * @since 2.0.0 * @category constructors */ <Type, In, Out>(self: Metric<Type, In, Out>, input: In): Metric<Type, unknown, Out>; }; /** * @since 2.0.0 * @category constructors */ export declare const fromMetricKey: <Type extends MetricKeyType.MetricKeyType<any, any>>(key: MetricKey.MetricKey<Type>) => Metric<Type, MetricKeyType.MetricKeyType.InType<Type>, MetricKeyType.MetricKeyType.OutType<Type>>; /** * Represents a Gauge metric that tracks and reports a single numerical value at a specific moment. * Gauges are suitable for metrics that represent instantaneous values, such as memory usage or CPU load. * * **Options** * * - description - A description of the gauge metric. * - bigint - Indicates if the counter uses 'bigint' data type. * * @example * ```ts * import { Metric } from "effect" * * const numberGauge = Metric.gauge("memory_usage", { * description: "A gauge for memory usage" * }); * * const bigintGauge = Metric.gauge("cpu_load", { * description: "A gauge for CPU load", * bigint: true * }); * ``` * * @since 2.0.0 * @category constructors */ export declare const gauge: { /** * Represents a Gauge metric that tracks and reports a single numerical value at a specific moment. * Gauges are suitable for metrics that represent instantaneous values, such as memory usage or CPU load. * * **Options** * * - description - A description of the gauge metric. * - bigint - Indicates if the counter uses 'bigint' data type. * * @example * ```ts * import { Metric } from "effect" * * const numberGauge = Metric.gauge("memory_usage", { * description: "A gauge for memory usage" * }); * * const bigintGauge = Metric.gauge("cpu_load", { * description: "A gauge for CPU load", * bigint: true * }); * ``` * * @since 2.0.0 * @category constructors */ (name: string, options?: { readonly description?: string | undefined; readonly bigint?: false | undefined; }): Metric.Gauge<number>; /** * Represents a Gauge metric that tracks and reports a single numerical value at a specific moment. * Gauges are suitable for metrics that represent instantaneous values, such as memory usage or CPU load. * * **Options** * * - description - A description of the gauge metric. * - bigint - Indicates if the counter uses 'bigint' data type. * * @example * ```ts * import { Metric } from "effect" * * const numberGauge = Metric.gauge("memory_usage", { * description: "A gauge for memory usage" * }); * * const bigintGauge = Metric.gauge("cpu_load", { * description: "A gauge for CPU load", * bigint: true * }); * ``` * * @since 2.0.0 * @category constructors */ (name: string, options: { readonly description?: string | undefined; readonly bigint: true; }): Metric.Gauge<bigint>; }; /** * Represents a Histogram metric that records observations in specified value boundaries. * Histogram metrics are useful for measuring the distribution of values within a range. * * @example * ```ts * import { Metric, MetricBoundaries } from "effect" * * const latencyHistogram = Metric.histogram("latency_histogram", * MetricBoundaries.linear({ start: 0, width: 10, count: 11 }), * "Measures the distribution of request latency." * ); * ``` * * @since 2.0.0 * @category constructors */ export declare const histogram: (name: string, boundaries: MetricBoundaries.MetricBoundaries, description?: string) => Metric<MetricKeyType.MetricKeyType.Histogram, number, MetricState.MetricState.Histogram>; /** * @since 2.0.0 * @category combinators */ export declare const increment: (self: Metric.Counter<number> | Metric.Counter<bigint> | Metric.Gauge<number> | Metric.Gauge<bigint>) => Effect.Effect<void>; /** * @since 2.0.0 * @category combinators */ export declare const incrementBy: { /** * @since 2.0.0 * @category combinators */ (amount: number): (self: Metric.Counter<number> | Metric.Counter<number>) => Effect.Effect<void>; /** * @since 2.0.0 * @category combinators */ (amount: bigint): (self: Metric.Counter<bigint> | Metric.Gauge<bigint>) => Effect.Effect<void>; /** * @since 2.0.0 * @category combinators */ (self: Metric.Counter<number> | Metric.Gauge<number>, amount: number): Effect.Effect<void>; /** * @since 2.0.0 * @category combinators */ (self: Metric.Counter<bigint> | Metric.Gauge<bigint>, amount: bigint): Effect.Effect<void>; }; /** * Returns a new metric that is powered by this one, but which outputs a new * state type, determined by transforming the state type of this metric by the * specified function. * * @since 2.0.0 * @category mapping */ export declare const map: { /** * Returns a new metric that is powered by this one, but which outputs a new * state type, determined by transforming the state type of this metric by the * specified function. * * @since 2.0.0 * @category mapping */ <Out, Out2>(f: (out: Out) => Out2): <Type, In>(self: Metric<Type, In, Out>) => Metric<Type, In, Out2>; /** * Returns a new metric that is powered by this one, but which outputs a new * state type, determined by transforming the state type of this metric by the * specified function. * * @since 2.0.0 * @category mapping */ <Type, In, Out, Out2>(self: Metric<Type, In, Out>, f: (out: Out) => Out2): Metric<Type, In, Out2>; }; /** * @since 2.0.0 * @category mapping */ export declare const mapType: { /** * @since 2.0.0 * @category mapping */ <Type, Type2>(f: (type: Type) => Type2): <In, Out>(self: Metric<Type, In, Out>) => Metric<Type2, In, Out>; /** * @since 2.0.0 * @category mapping */ <Type, In, Out, Type2>(self: Metric<Type, In, Out>, f: (type: Type) => Type2): Metric<Type2, In, Out>; }; /** * Modifies the metric with the specified update message. For example, if the * metric were a gauge, the update would increment the method by the provided * amount. * * @since 3.6.5 * @category utils */ export declare const modify: { /** * Modifies the metric with the specified update message. For example, if the * metric were a gauge, the update would increment the method by the provided * amount. * * @since 3.6.5 * @category utils */ <In>(input: In): <Type, Out>(self: Metric<Type, In, Out>) => Effect.Effect<void>; /** * Modifies the metric with the specified update message. For example, if the * metric were a gauge, the update would increment the method by the provided * amount. * * @since 3.6.5 * @category utils */ <Type, In, Out>(self: Metric<Type, In, Out>, input: In): Effect.Effect<void>; }; /** * @since 2.0.0 * @category aspects */ export declare const set: { /** * @since 2.0.0 * @category aspects */ (value: number): (self: Metric.Gauge<number>) => Effect.Effect<void>; /** * @since 2.0.0 * @category aspects */ (value: bigint): (self: Metric.Gauge<bigint>) => Effect.Effect<void>; /** * @since 2.0.0 * @category aspects */ (self: Metric.Gauge<number>, value: number): Effect.Effect<void>; /** * @since 2.0.0 * @category aspects */ (self: Metric.Gauge<bigint>, value: bigint): Effect.Effect<void>; }; /** * Captures a snapshot of all metrics recorded by the application. * * @since 2.0.0 * @category getters */ export declare const snapshot: Effect.Effect<Array<MetricPair.MetricPair.Untyped>>; /** * Creates a metric that ignores input and produces constant output. * * @since 2.0.0 * @category constructors */ export declare const succeed: <Out>(out: Out) => Metric<void, unknown, Out>; /** * Creates a metric that ignores input and produces constant output. * * @since 2.0.0 * @category constructors */ export declare const sync: <Out>(evaluate: LazyArg<Out>) => Metric<void, unknown, Out>; /** * Creates a Summary metric that records observations and calculates quantiles. * Summary metrics provide statistical information about a set of values, including quantiles. * * **Options** * * - name - The name of the Summary metric. * - maxAge - The maximum age of observations to retain. * - maxSize - The maximum number of observations to keep. * - error - The error percentage when calculating quantiles. * - quantiles - An `Chunk` of quantiles to calculate (e.g., [0.5, 0.9]). * - description - An optional description of the Summary metric. * * @example * ```ts * import { Metric, Chunk } from "effect" * * const responseTimesSummary = Metric.summary({ * name: "response_times_summary", * maxAge: "60 seconds", // Retain observations for 60 seconds. * maxSize: 1000, // Keep a maximum of 1000 observations. * error: 0.01, // Allow a 1% error when calculating quantiles. * quantiles: [0.5, 0.9, 0.99], // Calculate 50th, 90th, and 99th percentiles. * description: "Measures the distribution of response times." * }); * ``` * * @since 2.0.0 * @category constructors */ export declare const summary: (options: { readonly name: string; readonly maxAge: Duration.DurationInput; readonly maxSize: number; readonly error: number; readonly quantiles: ReadonlyArray<number>; readonly description?: string | undefined; }) => Metric.Summary<number>; /** * @since 2.0.0 * @category constructors */ export declare const summaryTimestamp: (options: { readonly name: string; readonly maxAge: Duration.DurationInput; readonly maxSize: number; readonly error: number; readonly quantiles: ReadonlyArray<number>; readonly description?: string | undefined; }) => Metric.Summary<readonly [value: number, timestamp: number]>; /** * Returns a new metric, which is identical in every way to this one, except * the specified tags have been added to the tags of this metric. * * @since 2.0.0 * @category utils */ export declare const tagged: { /** * Returns a new metric, which is identical in every way to this one, except * the specified tags have been added to the tags of this metric. * * @since 2.0.0 * @category utils */ <Type, In, Out>(key: string, value: string): (self: Metric<Type, In, Out>) => Metric<Type, In, Out>; /** * Returns a new metric, which is identical in every way to this one, except * the specified tags have been added to the tags of this metric. * * @since 2.0.0 * @category utils */ <Type, In, Out>(self: Metric<Type, In, Out>, key: string, value: string): Metric<Type, In, Out>; }; /** * Returns a new metric, which is identical in every way to this one, except * dynamic tags are added based on the update values. Note that the metric * returned by this method does not return any useful information, due to the * dynamic nature of the added tags. * * @since 2.0.0 * @category utils */ export declare const taggedWithLabelsInput: { /** * Returns a new metric, which is identical in every way to this one, except * dynamic tags are added based on the update values. Note that the metric * returned by this method does not return any useful information, due to the * dynamic nature of the added tags. * * @since 2.0.0 * @category utils */ <In>(f: (input: In) => Iterable<MetricLabel.MetricLabel>): <Type, Out>(self: Metric<Type, In, Out>) => Metric<Type, In, void>; /** * Returns a new metric, which is identical in every way to this one, except * dynamic tags are added based on the update values. Note that the metric * returned by this method does not return any useful information, due to the * dynamic nature of the added tags. * * @since 2.0.0 * @category utils */ <Type, In, Out>(self: Metric<Type, In, Out>, f: (input: In) => Iterable<MetricLabel.MetricLabel>): Metric<Type, In, void>; }; /** * Returns a new metric, which is identical in every way to this one, except * the specified tags have been added to the tags of this metric. * * @since 2.0.0 * @category utils */ export declare const taggedWithLabels: { /** * Returns a new metric, which is identical in every way to this one, except * the specified tags have been added to the tags of this metric. * * @since 2.0.0 * @category utils */ <Type, In, Out>(extraTags: Iterable<MetricLabel.MetricLabel>): (self: Metric<Type, In, Out>) => Metric<Type, In, Out>; /** * Returns a new metric, which is identical in every way to this one, except * the specified tags have been added to the tags of this metric. * * @since 2.0.0 * @category utils */ <Type, In, Out>(self: Metric<Type, In, Out>, extraTags: Iterable<MetricLabel.MetricLabel>): Metric<Type, In, Out>; }; /** * Creates a timer metric, based on a histogram, which keeps track of * durations in milliseconds. The unit of time will automatically be added to * the metric as a tag (i.e. `"time_unit: milliseconds"`). * * @since 2.0.0 * @category constructors */ export declare const timer: (name: string, description?: string) => Metric<MetricKeyType.MetricKeyType.Histogram, Duration.Duration, MetricState.MetricState.Histogram>; /** * Creates a timer metric, based on a histogram created from the provided * boundaries, which keeps track of durations in milliseconds. The unit of time * will automatically be added to the metric as a tag (i.e. * `"time_unit: milliseconds"`). * * @since 2.0.0 * @category constructors */ export declare const timerWithBoundaries: (name: string, boundaries: ReadonlyArray<number>, description?: string) => Metric<MetricKeyType.MetricKeyType.Histogram, Duration.Duration, MetricState.MetricState.Histogram>; /** * Returns an aspect that will update this metric with the specified constant * value every time the aspect is applied to an effect, regardless of whether * that effect fails or succeeds. * * @since 2.0.0 * @category aspects */ export declare const trackAll: { /** * Returns an aspect that will update this metric with the specified constant * value every time the aspect is applied to an effect, regardless of whether * that effect fails or succeeds. * * @since 2.0.0 * @category aspects */ <In>(input: In): <Type, Out>(self: Metric<Type, In, Out>) => <A, E, R>(effect: Effect.Effect<A, E, R>) => Effect.Effect<A, E, R>; /** * Returns an aspect that will update this metric with the specified constant * value every time the aspect is applied to an effect, regardless of whether * that effect fails or succeeds. * * @since 2.0.0 * @category aspects */ <Type, In, Out>(self: Metric<Type, In, Out>, input: In): <A, E, R>(effect: Effect.Effect<A, E, R>) => Effect.Effect<A, E, R>; }; /** * Returns an aspect that will update this metric with the defects of the * effects that it is applied to. * * @since 2.0.0 * @category aspects */ export declare const trackDefect: { /** * Returns an aspect that will update this metric with the defects of the * effects that it is applied to. * * @since 2.0.0 * @category aspects */ <Type, Out>(metric: Metric<Type, unknown, Out>): <A, E, R>(self: Effect.Effect<A, E, R>) => Effect.Effect<A, E, R>; /** * Returns an aspect that will update this metric with the defects of the * effects that it is applied to. * * @since 2.0.0 * @category aspects */ <A, E, R, Type, Out>(self: Effect.Effect<A, E, R>, metric: Metric<Type, unknown, Out>): Effect.Effect<A, E, R>; }; /** * Returns an aspect that will update this metric with the result of applying * the specified function to the defect throwables of the effects that the * aspect is applied to. * * @since 2.0.0 * @category aspects */ export declare const trackDefectWith: { /** * Returns an aspect that will update this metric with the result of applying * the specified function to the defect throwables of the effects that the * aspect is applied to. * * @since 2.0.0 * @category aspects */ <Type, In, Out>(metric: Metric<Type, In, Out>, f: (defect: unknown) => In): <A, E, R>(self: Effect.Effect<A, E, R>) => Effect.Effect<A, E, R>; /** * Returns an aspect that will update this metric with the result of applying * the specified function to the defect throwables of the effects that the * aspect is applied to. * * @since 2.0.0 * @category aspects */ <A, E, R, Type, In, Out>(self: Effect.Effect<A, E, R>, metric: Metric<Type, In, Out>, f: (defect: unknown) => In): Effect.Effect<A, E, R>; }; /** * Returns an aspect that will update this metric with the duration that the * effect takes to execute. To call this method, the input type of the metric * must be `Duration`. * * @since 2.0.0 * @category aspects */ export declare const trackDuration: { /** * Returns an aspect that will update this metric with the duration that the * effect takes to execute. To call this method, the input type of the metric * must be `Duration`. * * @since 2.0.0 * @category aspects */ <Type, Out>(metric: Metric<Type, Duration.Duration, Out>): <A, E, R>(self: Effect.Effect<A, E, R>) => Effect.Effect<A, E, R>; /** * Returns an aspect that will update this metric with the duration that the * effect takes to execute. To call this method, the input type of the metric * must be `Duration`. * * @since 2.0.0 * @category aspects */ <A, E, R, Type, Out>(self: Effect.Effect<A, E, R>, metric: Metric<Type, Duration.Duration, Out>): Effect.Effect<A, E, R>; }; /** * Returns an aspect that will update this metric with the duration that the * effect takes to execute. To call this method, you must supply a function * that can convert the `Duration` to the input type of this metric. * * @since 2.0.0 * @category aspects */ export declare const trackDurationWith: { /** * Returns an aspect that will update this metric with the duration that the * effect takes to execute. To call this method, you must supply a function * that can convert the `Duration` to the input type of this metric. * * @since 2.0.0 * @category aspects */ <Type, In, Out>(metric: Metric<Type, In, Out>, f: (duration: Duration.Duration) => In): <A, E, R>(effect: Effect.Effect<A, E, R>) => Effect.Effect<A, E, R>; /** * Returns an aspect that will update this metric with the duration that the * effect takes to execute. To call this method, you must supply a function * that can convert the `Duration` to the input type of this metric. * * @since 2.0.0 * @category aspects */ <A, E, R, Type, In, Out>(self: Effect.Effect<A, E, R>, metric: Metric<Type, In, Out>, f: (duration: Duration.Duration) => In): Effect.Effect<A, E, R>; }; /** * Returns an aspect that will update this metric with the failure value of * the effects that it is applied to. * * @since 2.0.0 * @category aspects */ export declare const trackError: { /** * Returns an aspect that will update this metric with the failure value of * the effects that it is applied to. * * @since 2.0.0 * @category aspects */ <Type, In, Out>(metric: Metric<Type, In, Out>): <A, E extends In, R>(self: Effect.Effect<A, E, R>) => Effect.Effect<A, E, R>; /** * Returns an aspect that will update this metric with the failure value of * the effects that it is applied to. * * @since 2.0.0 * @category aspects */ <A, E extends In, R, Type, In, Out>(self: Effect.Effect<A, E, R>, metric: Metric<Type, In, Out>): Effect.Effect<A, E, R>; }; /** * Returns an aspect that will update this metric with the result of applying * the specified function to the error value of the effects that the aspect is * applied to. * * @since 2.0.0 * @category aspects */ export declare const trackErrorWith: { /** * Returns an aspect that will update this metric with the result of applying * the specified function to the error value of the effects that the aspect is * applied to. * * @since 2.0.0 * @category aspects */ <Type, In, Out, In2>(metric: Metric<Type, In, Out>, f: (error: In2) => In): <A, E extends In2, R>(effect: Effect.Effect<A, E, R>) => Effect.Effect<A, E, R>; /** * Returns an aspect that will update this metric with the result of applying * the specified function to the error value of the effects that the aspect is * applied to. * * @since 2.0.0 * @category aspects */ <A, E extends In2, R, Type, In, Out, In2>(self: Effect.Effect<A, E, R>, metric: Metric<Type, In, Out>, f: (error: In2) => In): Effect.Effect<A, E, R>; }; /** * Returns an aspect that will update this metric with the success value of * the effects that it is applied to. * * @since 2.0.0 * @category aspects */ export declare const trackSuccess: { /** * Returns an aspect that will update this metric with the success value of * the effects that it is applied to. * * @since 2.0.0 * @category aspects */ <Type, In, Out>(metric: Metric<Type, In, Out>): <A extends In, E, R>(self: Effect.Effect<A, E, R>) => Effect.Effect<A, E, R>; /** * Returns an aspect that will update this metric with the success value of * the effects that it is applied to. * * @since 2.0.0 * @category aspects */ <A extends In, E, R, Type, In, Out>(self: Effect.Effect<A, E, R>, metric: Metric<Type, In, Out>): Effect.Effect<A, E, R>; }; /** * Returns an aspect that will update this metric with the result of applying * the specified function to the success value of the effects that the aspect is * applied to. * * @since 2.0.0 * @category aspects */ export declare const trackSuccessWith: { /** * Returns an aspect that will update this metric with the result of applying * the specified function to the success value of the effects that the aspect is * applied to. * * @since 2.0.0 * @category aspects */ <Type, In, Out, In2>(metric: Metric<Type, In, Out>, f: (value: In2) => In): <A extends In2, E, R>(self: Effect.Effect<A, E, R>) => Effect.Effect<A, E, R>; /** * Returns an aspect that will update this metric with the result of applying * the specified function to the success value of the effects that the aspect is * applied to. * * @since 2.0.0 * @category aspects */ <A extends In2, E, R, Type, In, Out, In2>(self: Effect.Effect<A, E, R>, metric: Metric<Type, In, Out>, f: (value: In2) => In): Effect.Effect<A, E, R>; }; /** * Updates the metric with the specified update message. For example, if the * metric were a counter, the update would increment the method by the * provided amount. * * @since 2.0.0 * @category utils */ export declare const update: { /** * Updates the metric with the specified update message. For example, if the * metric were a counter, the update would increment the method by the * provided amount. * * @since 2.0.0 * @category utils */ <In>(input: In): <Type, Out>(self: Metric<Type, In, Out>) => Effect.Effect<void>; /** * Updates the metric with the specified update message. For example, if the * metric were a counter, the update would increment the method by the * provided amount. * * @since 2.0.0 * @category utils */ <Type, In, Out>(self: Metric<Type, In, Out>, input: In): Effect.Effect<void>; }; /** * Retrieves a snapshot of the value of the metric at this moment in time. * * @since 2.0.0 * @category getters */ export declare const value: <Type, In, Out>(self: Metric<Type, In, Out>) => Effect.Effect<Out>; /** * @since 2.0.0 * @category utils */ export declare const withNow: <Type, In, Out>(self: Metric<Type, readonly [In, number], Out>) => Metric<Type, In, Out>; /** * @since 2.0.0 * @category zipping */ export declare const zip: { /** * @since 2.0.0 * @category zipping */ <Type2, In2, Out2>(that: Metric<Type2, In2, Out2>): <Type, In, Out>(self: Metric<Type, In, Out>) => Metric<readonly [Type, Type2], // readonly because invariant readonly [In, In2], // readonly because contravariant [ Out, Out2 ]>; /** * @since 2.0.0 * @category zipping */ <Type, In, Out, Type2, In2, Out2>(self: Metric<Type, In, Out>, that: Metric<Type2, In2, Out2>): Metric<readonly [Type, Type2], // readonly because invariant readonly [In, In2], // readonly because contravariant [ Out, Out2 ]>; }; /** * Unsafely captures a snapshot of all metrics recorded by the application. * * @since 2.0.0 * @category unsafe */ export declare const unsafeSnapshot: (_: void) => ReadonlyArray<MetricPair.MetricPair.Untyped>; /** * @since 2.0.0 * @category metrics */ export declare const fiberStarted: Metric.Counter<number>; /** * @since 2.0.0 * @category metrics */ export declare const fiberSuccesses: Metric.Counter<number>; /** * @since 2.0.0 * @category metrics */ export declare const fiberFailures: Metric.Counter<number>; /** * @since 2.0.0 * @category metrics */ export declare const fiberLifetimes: Metric<MetricKeyType.MetricKeyType.Histogram, number, MetricState.MetricState.Histogram>; /** * @since 2.0.0 * @category metrics */ export declare const fiberActive: Metric.Counter<number>; //# sourceMappingURL=Metric.d.ts.map