public BuildParameterBuilder allowUnknownTraits(boolean allowUnknownTraits) {
        this.allowUnknownTraits = allowUnknownTraits;
        return this;
    }
Ignores unknown traits when building models.

@param allowUnknownTraits Set to true to allow unknown traits.
@return Returns the builder.
smithy-cli/src/main/java/software/amazon/smithy/cli/BuildParameterBuilder.java