[F] getParameterKey
function getParameterKey(   program,   property,   newParam,   existingParams,   options): string;Gets the key that is used to define a parameter in OpenAPI.
Parameters
Section titled “Parameters”| Parameter | Type | 
|---|---|
| program | Program | 
| property | ModelProperty | 
| newParam | unknown | 
| existingParams | Record<string,unknown> | 
| options | TypeNameOptions | 
Returns
Section titled “Returns”string