ValueType describes the types that values in the Istio system can take. These are used to describe the type of Attributes at run time, describe the type of the result of evaluating an expression, and to describe the runtime type of fields of other descriptors.
Invalid, default value.
An undiscriminated variable-length string.
An undiscriminated 64-bit signed integer.
An undiscriminated 64-bit floating-point value.
An undiscriminated boolean value.
A point in time.
An IP address.
An email address.
A DNS name.
A span between two points in time.
A map string -> string, typically used by headers.