/**
 * Capture a fixed set of fields without invoking caller-owned accessors.
 *
 * OAuth configuration crosses long-lived and asynchronous boundaries. Reading
 * the original object again after validation would let a getter or later
 * mutation change endpoints, credentials, scopes, or handler behavior.
 */
export declare function snapshotOwnDataProperties<const Key extends string>(value: unknown, keys: readonly Key[]): Partial<Record<Key, unknown>> | null;
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