spyglass/src/main/java/com/linkedin/android/spyglass/mentions/MentionsEditable.java
public MentionsEditable trim() {
        // Delete beginning spaces
        while (length() > 0 && Character.isWhitespace(charAt(0))) {
            delete(0, 1);
        }
        // Delete ending spaces
        int len = length();
        while (len > 0 && Character.isWhitespace(charAt(len - 1))) {
            delete(len - 1, len);
            len--;
        }
        return new MentionsEditable(this, 0, length());
    }
public MentionsEditable trim() {
        // Delete beginning spaces
        while (length() > 0 && Character.isWhitespace(charAt(0))) {
            delete(0, 1);
        }
        // Delete ending spaces
        int len = length();
        while (len > 0 && Character.isWhitespace(charAt(len - 1))) {
            delete(len - 1, len);
            len--;
        }
        return new MentionsEditable(this, 0, length());
    }
Implementation of {@link String#trim()} for an {@link Editable}.

@return a new {@link MentionsEditable} with whitespace characters removed from the beginning and the end