ndi.validators.mustBeCellArrayOfNdiSessions

 MUSTBECELLARRAYOFNDISESSIONS Validates that the input is a cell array of ndi.session.dir objects.

    ndi.validators.mustBeCellArrayOfNdiSessions(VALUE)

    This function is intended for use in an `arguments` block to validate
    that a function input is a cell array where every element is an object of
    the class `ndi.session.dir`. It throws an error if the validation fails.

    Inputs:
        value - The input value to be validated.

    Throws:
        An error with a specific identifier if the input is not a cell array
        or if any element within the cell array is not an `ndi.session.dir` object.

    Example:
        % In a function definition:
        arguments
            sessionList (1,:) cell {ndi.validators.mustBeCellArrayOfNdiSessions(sessionList)}
        end