Function resolve_parameter_reference 

pub fn resolve_parameter_reference(
    spec: &OpenAPI,
    reference: &str,
) -> Result<Parameter, Error>

Resolves a parameter reference to its actual parameter definition

Arguments

• spec - The OpenAPI specification containing the components
• reference - The reference string (e.g., “#/components/parameters/userId”)

Returns

• Ok(Parameter) - The resolved parameter
• Err(Error) - If resolution fails

Errors

Returns an error if:

• The reference format is invalid
• The referenced parameter doesn’t exist
• Circular references are detected
• Maximum reference depth is exceeded