void putFieldInfo(final ByteVector output) {
        // Put the access_flags, name_index and descriptor_index fields.
        int mask = 0;
        output.putShort(accessFlags & ~mask).putShort(nameIndex).putShort(descriptorIndex);
        // Compute and put the attributes_count field.
        // For ease of reference, we use here the same attribute order as in Section 4.7 of the JVMS.
        int attributesCount = 0;
        output.putShort(attributesCount);
    }
Puts the content of the field_info JVMS structure generated by this FieldWriter into the given
ByteVector.

@param output where the field_info structure must be put.
core/src/main/java/com/alibaba/fastjson2/internal/asm/FieldWriter.java