Specifies which headers are allowed in a pre-flight OPTIONS request through the Access-Control-Request-Headers header.
Assembly: AWSSDK (Module: AWSSDK) Version: 126.96.36.199 (188.8.131.52)
Each header name specified in the Access-Control-Request-Headers must have a corresponding entry in the rule. Only the headers that were requested will be sent back. This element can contain at most one * wildcard character.