[#BloombergLP-balb-RateLimiter-supportsRateLimitsExactly]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/balb.adoc[balb]::xref:BloombergLP/balb/RateLimiter.adoc[RateLimiter]::supportsRateLimitsExactly
:relfileprefix: ../../../
:mrdocs:

Returns `true` if, supposing the specified `sustainedRateLimit`, `sustainedRateWindow`, `peakRateLimit`, and `peakRateWindow` are used to initialize a `RateLimiter` object, the corresponding query methods return the same values. The implementation of `RateLimiter` uses `balb::LeakyBucket` objects, and for some combinations of values the capacity of the `balb::LeakyBucket` is rounded such that the rederived values differ. Note that this method is most likely to return `true` when the product of each corresponding pair of limit and window (as a fraction of a second) is integral.

== Synopsis

Declared in `<balb_ratelimiter.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
bool
supportsRateLimitsExactly(
    xref:BloombergLP/bsls/Types/Uint64.adoc[bsls::Types::Uint64] sustainedRateLimit,
    xref:BloombergLP/bsls/TimeInterval.adoc[bsls::TimeInterval] const& sustainedRateWindow,
    xref:BloombergLP/bsls/Types/Uint64.adoc[bsls::Types::Uint64] peakRateLimit,
    xref:BloombergLP/bsls/TimeInterval.adoc[bsls::TimeInterval] const& peakRateWindow);
----


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