2022-07-12 09:00:22 +02:00

38 lines
1.5 KiB
TypeScript

export interface TraceState {
/**
* Create a new TraceState which inherits from this TraceState and has the
* given key set.
* The new entry will always be added in the front of the list of states.
*
* @param key key of the TraceState entry.
* @param value value of the TraceState entry.
*/
set(key: string, value: string): TraceState;
/**
* Return a new TraceState which inherits from this TraceState but does not
* contain the given key.
*
* @param key the key for the TraceState entry to be removed.
*/
unset(key: string): TraceState;
/**
* Returns the value to which the specified key is mapped, or `undefined` if
* this map contains no mapping for the key.
*
* @param key with which the specified value is to be associated.
* @returns the value to which the specified key is mapped, or `undefined` if
* this map contains no mapping for the key.
*/
get(key: string): string | undefined;
/**
* Serializes the TraceState to a `list` as defined below. The `list` is a
* series of `list-members` separated by commas `,`, and a list-member is a
* key/value pair separated by an equals sign `=`. Spaces and horizontal tabs
* surrounding `list-members` are ignored. There can be a maximum of 32
* `list-members` in a `list`.
*
* @returns the serialized string.
*/
serialize(): string;
}
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