eventPath
const eventPath: Readonly<{
constant: <T>(value: T) => Readonly<AxEventPath<T>>;
continuation: (...segments: AxEventPathSegment[]) => Readonly<AxEventPath<unknown>>;
correlation: (kind: string) => Readonly<AxEventPath<undefined | string>>;
data: (...segments: AxEventPathSegment[]) => Readonly<AxEventPath<unknown>>;
extension: (name: string) => Readonly<AxEventPath<unknown>>;
id: () => Readonly<AxEventPath<string>>;
identity: (name: "sessionId" | "tenantId" | "userId" | "accountId") => Readonly<AxEventPath<undefined | string>>;
source: () => Readonly<AxEventPath<string>>;
subject: () => Readonly<AxEventPath<undefined | string>>;
time: () => Readonly<AxEventPath<undefined | string>>;
trust: () => Readonly<AxEventPath<unknown>>;
type: () => Readonly<AxEventPath<string>>;
}>;Defined in: https://github.com/ax-llm/ax/blob/e4219a44b7581a55a40d9dd62d2c281062ff078d/src/ax/event/mapping.ts#L54