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rulvar API reference / @rulvar/rulvar / Usage

Type Alias: Usage ​

ts
type Usage = {
  cacheReadTokens: number;
  cacheWriteTokens: number;
  inputTokens: number;
  outputTokens: number;
  reasoningTokens?: number;
};

Defined in: packages/core/dist/index.d.ts

Usage under the Usage invariant: inputTokens is the FULL prompt size including cache reads and cache writes. Adapters MUST normalize provider-reported usage to satisfy this invariant, and the core verifies it at the adapter boundary.

Properties ​

cacheReadTokens ​

ts
cacheReadTokens: number;

Defined in: packages/core/dist/index.d.ts

cacheWriteTokens ​

ts
cacheWriteTokens: number;

Defined in: packages/core/dist/index.d.ts

inputTokens ​

ts
inputTokens: number;

Defined in: packages/core/dist/index.d.ts

outputTokens ​

ts
outputTokens: number;

Defined in: packages/core/dist/index.d.ts

reasoningTokens? ​

ts
optional reasoningTokens?: number;

Defined in: packages/core/dist/index.d.ts