infer
fun TranslationUnitDeclaration.inferFunction(call: CallExpression, isStatic: Boolean = false, ctx: TranslationContext): FunctionDeclaration
fun NamespaceDeclaration.inferFunction(call: CallExpression, isStatic: Boolean = false, ctx: TranslationContext): FunctionDeclaration
Tries to infer a FunctionDeclaration from a CallExpression.