<commit_before>package com.collective.celos;

/**
 * Uniquely identifies a workflow.
 */
public class WorkflowID extends ValueObject {

    private final String id;
    
    public WorkflowID(String id) {
        this.id = Util.requireNonNull(id);
        if (id.trim().equals("")) {
            throw new IllegalArgumentException("Workflow ID can't be only whitespace.");
        }
    }

    public String getID() {
        return id;
    }<commit_msg>Make id member protected for consistency with other value objects.<commit_after>package com.collective.celos;

/**
 * Uniquely identifies a workflow.
 */
public class WorkflowID extends ValueObject {

    protected final String id;
    
    public WorkflowID(String id) {
        this.id = Util.requireNonNull(id);
        if (id.trim().equals("")) {
            throw new IllegalArgumentException("Workflow ID can't be only whitespace.");
        }
    }

    public String getID() {
        return id;
    }
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{'dir': 'git-commits-cleaned', 'id': '6074705', 'n_tokens_mistral': 270, 'n_tokens_neox': 260, 'n_words': 79}