public EffectiveServiceSpecBuilder withFieldMetaDataProvider(FieldMetaDataProvider fieldMetaDataProvider) {
        this.fieldMetaDataProvider = fieldMetaDataProvider;
        return this;
    }
Builder to create effective service spec by merging service spec and service profile
@author tushar
service-spec/service-spec-commons/src/main/java/io/hyscale/servicespec/commons/builder/EffectiveServiceSpecBuilder.java