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@zendesk/react-measure-timing-hooks

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react hooks for measuring time to interactive and time to render of components

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import type { FinalState } from './Trace'; import type { TraceRecording } from './traceRecordingTypes'; import type { TraceContext } from './types'; /** * ### Deriving SLIs and other metrics from a trace * * ℹ️ It is our recommendation that the primary way of creating duration metrics would be to derive them from data in the trace. * * Instead of the traditional approach of capturing isolated metrics imperatively in the code, * the **trace** model allows us the flexibility to define and compute any number of metrics from the **trace recording**. * * We can distinguish the following types of metrics: * * 1. **Duration of a Computed Span** — the time between any two **spans** that appeared in the **trace**. For example: * 1. _time between the user’s click on a ticket_ and _everything in the ticket page has fully rendered with content_ (duration of the entire operation) * 2. _time between the user’s click on a ticket_ and _the moment the first piece of the ticket UI was displayed_ (duration of a segment of the operation) * * 2. **Computed Values** — any numerical value derived from the **spans** or their attributes. For example: * 1. _The total number of times the log component re-rendered while loading the ticket_ * 2. _The total number of requests made while loading the ticket_ * 3. _The total number of iframe apps were initialized while loading the ticket_ */ export declare function getComputedValues<SelectedRelationNameT extends keyof RelationSchemasT, RelationSchemasT, const VariantsT extends string>(context: TraceContext<SelectedRelationNameT, RelationSchemasT, VariantsT>): TraceRecording<SelectedRelationNameT, RelationSchemasT>['computedValues']; export declare function getComputedSpans<SelectedRelationNameT extends keyof RelationSchemasT, RelationSchemasT, const VariantsT extends string>(context: TraceContext<SelectedRelationNameT, RelationSchemasT, VariantsT>): TraceRecording<SelectedRelationNameT, RelationSchemasT>['computedSpans']; export declare function createTraceRecording<const SelectedRelationNameT extends keyof RelationSchemasT, const RelationSchemasT, const VariantsT extends string>(context: TraceContext<SelectedRelationNameT, RelationSchemasT, VariantsT>, { transitionFromState, interruptionReason, cpuIdleSpanAndAnnotation, completeSpanAndAnnotation, lastRequiredSpanAndAnnotation, }: FinalState<RelationSchemasT>): TraceRecording<SelectedRelationNameT, RelationSchemasT>;