Interface TextMapGetter<Carrier>

A getter is specified by the caller to define a specific method to get the value of a key from a carrier.

Since

1.0.0

interface TextMapGetter<Carrier = any> {
get(carrier: Carrier, key: string): undefined | string | string[];
keys(carrier: Carrier): string[];
}

Type Parameters

Carrier = any

Index

Methods

Methods

get

get(carrier: Carrier, key: string): undefined | string | string[]
Get the value of a specific key from the carrier.
Parameters
- carrier: Carrier
- key: string
Returns undefined | string | string[]
- Defined in propagation/TextMapPropagator.ts:116

keys

keys(carrier: Carrier): string[]
Get a list of all keys available on the carrier.
Parameters
- carrier: Carrier
Returns string[]
- Defined in propagation/TextMapPropagator.ts:108