PayloadSigningEnabled

Flag indicating whether request payloads should be signed. Default to true. When false, payload signing is skipped for HTTPS requests (using UNSIGNED-PAYLOAD instead). Note: This flag does not solely control request payload signing behavior. Other factors — such as the operation's auth scheme, the unsignedPayload trait, and AwsHttpSigner.Config.isUnsignedPayload — are also taken into account, and this flag does not override them.