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@opentelemetry/core

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OpenTelemetry Core provides constants and utilities shared by all OpenTelemetry SDK packages.

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/** * Bind the callback and only invoke the callback once regardless how many times `BindOnceFuture.call` is invoked. */ export declare class BindOnceFuture<R, This = unknown, T extends (this: This, ...args: unknown[]) => R = () => R> { private _callback; private _that; private _isCalled; private _deferred; constructor(_callback: T, _that: This); get isCalled(): boolean; get promise(): Promise<R>; call(...args: Parameters<T>): Promise<R>; } //# sourceMappingURL=callback.d.ts.map