public void addField(@Nonnull String owner, @Nonnull String originalName, @Nonnull String desc, @Nonnull String renamedName) {
		if (doesSupportFieldTypeDifferentiation()) {
			mappings.put(getFieldKey(owner, originalName, desc), renamedName);
		} else {
			throw new IllegalStateException("The current mapping implementation does not support " +
					"field type differentiation");
		}
	}
Add mapping for field name. <br>
Used when {@link #doesSupportFieldTypeDifferentiation()} is {@code true}.

@param owner
		Class name defining the field.
@param originalName
		Original name of the field.
@param desc
		Type descriptor of the field.
@param renamedName
		New name of the method.
recaf-core/src/main/java/software/coley/recaf/services/mapping/MappingsAdapter.java