@Override
    public Builder toBuilder() {
        return new Builder()
                .symbol(symbol)
                .options(options)
                .properties(getProperties())
                .typedProperties(getTypedProperties())
                .alias(alias);
    }
Checks if the given option is set on the symbol.

@param option Option to check.
@return Returns true if this option is set.
smithy-codegen-core/src/main/java/software/amazon/smithy/codegen/core/SymbolReference.java