/guava/guava/src/com/google/common/escape/Escapers.java
checkNotNull( unsafeReplacement) ;
checkNotNull ( replacement ) ;
public Builder setUnsafeReplacement(@Nullable String unsafeReplacement) { this.unsafeReplacement = unsafeReplacement; return this; } @CanIgnoreReturnValue public Builder addEscape(char c, String replacement) { <extra_id_0> replacementMap.put(c, replacement); return this; } public Escaper build() { return new ArrayBasedCharEscaper(replacementMap, safeMin, safeMax) { @CheckForNull