@Override
    public boolean equals(Object o) {
        if (this == o) {
            return true;
        } else if (!(o instanceof FieldExpression)) {
            return false;
        } else {
            return getName().equals(((FieldExpression) o).getName());
        }
    }
Get the name of the field to retrieve.

@return Returns the name of the field.
smithy-jmespath/src/main/java/software/amazon/smithy/jmespath/ast/FieldExpression.java