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[ALF] Deprecate UsageMetadata public constructor #7420

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Merged
merged 2 commits into from
Sep 30, 2025
Merged

[ALF] Deprecate UsageMetadata public constructor #7420

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75e66a2
[ALF] Deprecate `UsageMetadata` public constructor
rlazo Sep 30, 2025
b5904f2
Add changelog entry
rlazo Sep 30, 2025
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1 change: 1 addition & 0 deletions firebase-ai/CHANGELOG.md
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,7 @@
- [changed] **Breaking Change**: Removed the `candidateCount` option from `LiveGenerationConfig`
(#7382)
- [changed] Added better error messages to `ServiceConnectionHandshakeFailedException` (#7412)
- [changed] Marked the public constructor for `UsageMetadata` as deprecated (#7420)

# 17.3.0

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22 changes: 21 additions & 1 deletion firebase-ai/src/main/kotlin/com/google/firebase/ai/type/UsageMetadata.kt
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Expand Up @@ -30,15 +30,35 @@ import kotlinx.serialization.Serializable
* candidates.
* @param thoughtsTokenCount The number of tokens used by the model's internal "thinking" process.
*/
public class UsageMetadata(
public class UsageMetadata
internal constructor(
public val promptTokenCount: Int,
public val candidatesTokenCount: Int?,
public val totalTokenCount: Int,
public val promptTokensDetails: List<ModalityTokenCount>,
public val candidatesTokensDetails: List<ModalityTokenCount>,
public val thoughtsTokenCount: Int,
placeholder: Unit
) {

@Deprecated("Not intended for public use")
public constructor(
promptTokenCount: Int,
candidatesTokenCount: Int?,
totalTokenCount: Int,
promptTokensDetails: List<ModalityTokenCount>,
candidatesTokensDetails: List<ModalityTokenCount>,
thoughtsTokenCount: Int
) : this(
promptTokenCount,
candidatesTokenCount,
totalTokenCount,
promptTokensDetails,
candidatesTokensDetails,
thoughtsTokenCount,
Unit
)

@Serializable
internal data class Internal(
val promptTokenCount: Int? = null,
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