@Nonnull
	protected static String varKey(@Nonnull String ownerName, @Nonnull String methodName, @Nonnull String methodDesc) {
		return ownerName + "\t" + methodName + "\t" + methodDesc;
	}
@param ownerName
		Declaring class name.
@param methodName
		Declaring method name.
@param methodDesc
		Declaring method descriptor.

@return List of field mapping instances.
recaf-core/src/main/java/software/coley/recaf/services/mapping/IntermediateMappings.java