@class NSString; @interface FBSMutableSceneIdentity : FBSSceneIdentity @property (copy, nonatomic) NSString *internalWorkspaceIdentifier; @property (copy, nonatomic) NSString *identifier; @property (copy, nonatomic) NSString *workspaceIdentifier; - (void)setWorkspaceIdentifier:(id)a0; - (void)setIdentifier:(id)a0; - (void)setInternalWorkspaceIdentifier:(id)a0; - (id)copyWithZone:(struct _NSZone { } *)a0; @end