wp-includes/php-ai-client/src/Results/DTO/TokenUsage.php:115 public static function getJsonSchema(): array { return ['type' => 'object', 'properties' => [self::KEY_PROMPT_TOKENS => ['type' => 'integer', 'description' => 'Number of tokens in the prompt.'], self::KEY_COMPLETION_TOKENS => ['type' => 'integer', 'description' => 'Number of tokens in the completion, including any thought tokens.'], self::KEY_TOTAL_TOKENS => ['type' => 'integer', 'description' => 'Total number of tokens used.'], self::KEY_THOUGHT_TOKENS => ['type' => 'integer', 'description' => 'Number of tokens used for thinking, as a subset of completion tokens.']], 'required' => [self::KEY_PROMPT_TOKENS, self::KEY_COMPLETION_TOKENS, self::KEY_TOTAL_TOKENS]]; }Introduced in 0.1.0. Unchanged from 7.0.4 through 7.1.0.
Signature, return type and hooks compared across 2 parsed releases.
src/wp-includes/php-ai-client/src/Results/DTO/TokenUsage.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.